Questions and answers by

jeff

Questions (696)

What is the range of the function f(x) = 4x + 9, given the domain D = {-4, -2, 0, 2}?
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In the notation "s(x) = ...," what does "s(x)" represent?A. The value of s(x) depends on the value of x, since s is a function
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In the notation "s(x) = ...," what does "s(x)" represent?
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Betty sets up a lemonade stand and charges $1 per glass. It cost her $50 to set up the stand. Which function gives the profit,
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Find the value of f(-142) for the function below.f(x) = -0.2(x + 223)
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A function is a relation where each input value is assigned to___ one output valueA:Exactly b: less than c: at least
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A function is a relation where each input value is assigned to_______one output value. The ______ of a function is the set of
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If x + 12 ≤ 5 − y and 5 − y ≤ 2(x − 3), then which statement is true?A. x + 12 ≤ 2(5 − y) B. x + 12 ≤ 2x − 3
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If x + 12 ≤ 5 − y and 5 − y ≤ 2(x − 3), then which statement is true?
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The cafeteria manager in an office building surveyed workers in the office building about their soup preferences. The results
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A hardware store owner is replenishing his stock of base paint for an upcoming home improvement sale. He conducted a survey to
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The two-way relative frequency table shows last year's sales of different car types at a dealership negotiated by two
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Sales ($ million)Convertible SUV Sedan Mini Truck Marginal Total Allison 45 28 19 36 128 B & B Motors 65 22 15 9 111 Pluto Cars
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The table shows the annual sales revenues for different types of vehicles made by four automobile manufacturers.The number in
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A travel agency polled its customers about their favorite kind of vacation. The results of the survey are shown in the given
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A travel agency polled its customers about their favorite kind of vacation. The results of the survey are shown in the given
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the total number of businesses locatedone block from Main Street and offering free items or special sales arrowBoth the
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Saturday's To-Go Deli OrdersIn Person By Phone Online Total Pick Up 38 25 31 94 Delivery 35 28 34 97 Total 73 53 65 191 What
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Poll on Book-to-Movie AdaptationPreferred the Book Preferred the Movie Liked Both Equally Total Men 56 35 18 109 Women 28 35 8
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Jeans Fit PreferenceRegular Slim Boot-cut Total Male 28 14 22 64 Female 32 16 8 56 Total 60 30 30 120 Which two-way table
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Eye ColorHair Color Blue Gray Green Brown Marginal Totals Blond 42 5 21 10 78 Red 12 22 19 12 65 Brown 22 5 12 34 73 Black 9 3
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The number of wrecks at a certain intersection varies directly as the number of cars that travel through the intersection. If
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The number of goals scored by a soccer team varies directly as the number of shots on goal. If the Lakeside Bears scored 4 goals
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The weight of a box varies directly as the volume of the box. If a 138-pound box has a volume of 23 gallons, what is the weight
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In which table does y vary directly with x?A. x y 1 3 2 9 3 27 B. x y 1 -5 2 5 3 15 C. x y 1 -18 2 -9 3 9 D. x y 1 4 2 8 3 12
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The weight of a bag of golf balls varies directly as the number of golf balls in the bag. If a bag of 69 golf balls weighs 2,553
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A track coach records three sprinters' statistics throughout the season. The median 400-meter race time, in seconds, and the
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find the first quartile, median, third quartile, and the difference of the largest value and the median .{6, 47, 49, 15, 43, 41,
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Match the values associated with this data set to their correct descriptions.{6, 47, 49, 15, 43, 41, 7, 36}
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A city government administers a survey to voters regarding proposed legislation for local school funding. The results are shown
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The data from a survey on the academic degrees earned by students in the United States in 2009 is shown below.Degree Male (in
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A local café serves tea, coffee, cookies, scones, and muffins. They recently gathered data about their customers who purchase
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Eye ColorHair Color Blue Gray Green Brown Marginal Total Blond 42 5 21 10 78 Red 12 22 19 12 65 Brown 22 5 12 34 73 Black 9 3 11
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Age Group Male Female Marginal Total18–24 5,640 6,432 12,072 25–34 1,843 2,450 4,293 35+ 1,069 2,124 3,193 Total 8,552
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Select the correct answer.The two-way frequency table below shows the preferred communication method of employees at a company,
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A frozen yogurt stand offers three flavors of frozen yogurt and three different types of toppings. The owner recently surveyed
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A cross country coach records the number of miles his athletes on the Junior Varsity and Varsity teams ran today and displays
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A track coach records three sprinters' statistics throughout the season. The median 400-meter race time, in seconds, and the
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Histogram chart. Car prices on X-axis. Number of cars sold over 10 years on Y-axis. X-axis ranges from 0 to 40000. Y-axis ranges
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Joanna set a goal to drink more water daily. The number of ounces of water she drank each of the last seven days is shown below.
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Which data set has the greatest spread?Set A – {84, 91, 87, 77, 94, 89, 74} Set B – {89, 73, 84, 91, 87, 77, 94} Set C –
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Twenty students in Class A and 20 students in Class B were asked how many hours they took to prepare for an exam. The data sets
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The following list shows the grams of fiber per serving for each flavor of oatmeal at a grocery store.3, 6, 3, 4, 2, 4, 4 3, 5,
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Select the correct answer.Four box plots are placed vertically (Figures A to D). In all the figures except Figure C the data set
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The dot plot represents the scores of a group of students on an English test. If the dot plot is converted to a box plot, the
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The table shows the maximum daily temperatures, in degrees Fahrenheit, recorded in a Texas town in May.84 86 84 88 83 85 90 84
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Which statement is true about a dot plot?A. A dot plot shows the median of a data set. B. A dot plot shows the first quartile,
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Drag the tiles to the boxes to form correct pairs.Match the values associated with this data set to their correct descriptions.
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Match each correlation coefficient, r, to its description.strong negative correlation weak negative correlation weak positive
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The correlation coefficient between two quantitative variables is approximately 0.006. What does the value of this correlation
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Sheryl takes a summer job selling hats for a local soccer team. She realizes that there is a relationship between the number of
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A college student collected data from a number of his classmates. He recorded the number of hours each spent watching television
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Heather used a graphing utility to find the equation of the line of best fit in this scatter plot.After reading equation of the
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Heather used a graphing utility to find the equation of the line of best fit in this scatter plot.VA PW1ALG131_Using Models from
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The class sizes of the Introductory Psychology courses at a college are shown below.121, 134, 106, 93, 149, 130, 119, 128 The
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Jacob surveyed members of three different gyms and recorded the number of hours they exercised last week. The mean and standard
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Select the correct answer.The owner of a chain of clothing stores is comparing the monthly profit earned in the past year from
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Emma, Sally, and Olivia play for the school basketball team. The dot plots show the number of points each of them scored in 20
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What conclusion can be derived by comparing the central tendencies of the two data sets?A: {7, 6, 3, 1, 6, 2, 4, 6, 3, 5} B: {2,
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Ms. Aniston asked seven students in her class to collect pet food cans for a local animal shelter. The dot plot shows the number
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Determine which situation is represented by the given dot plot.A dot plot has data points as follows: 0, 2, and 4 each have 2
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The box plot below represents the number of hours Judy takes to complete a quilt.A number line plots hours per quilt. The data
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The given dot plot represents the average daily temperatures, in degrees Fahrenheit, recorded in a town during the first 15 days
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The given dot plot represents the average daily temperatures, in degrees Fahrenheit, recorded in a town during the first 15 days
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2. 67 views
Select the correct answer.Ms. Aniston asked seven students in her class to collect pet food cans for a local animal shelter. The
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2. 72 views
The coach of the middle school track team collects data on the long jump. He records the length of the best jump in inches for
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The box plot below represents the number of hours Judy takes to complete a quilt.A number line plots hours per quilt. The data
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Graph the system of equations given below on the provided graph.2x-3y=-18 3x+y=-5 Then, use the Mark Feature tool to plot the
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Today, we use algebraic tools such as writing and solving equations, systems of equations, inequalities, and systems of
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A graph plots a point labeled uppercase F at (negative 5, 3) and a point labeled uppercase G at (3, 3). A bidirectional arrow
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Drag the equations to the correct locations on the table. Not all equations will be used.Determine which equation is parallel to
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Which equation represents a line that is parallel to the x-axis, is perpendicular to the y-axis, and has a slope of 0?A.
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Which of the equations below represents a line perpendicular to the x-axis?A. x=3 B. x=3y C. x=y D. x=-3y
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Which of the equations below represents a line parallel to the x-axis?A. x=5 B. y=1/x C. y=x D. y=5
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A fabric store sells two types of ribbon. One customer buys 3 rolls of the lace ribbon and 2 rolls of the satin ribbon and has a
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Select all the statements that are true for the following systems of equations.System A System B System C 2x - 3y = 4 3x - 4y =
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Select all the statements that are true for the following systems of equations.System A System B System C 2x - 3y = 4 3x - 4y =
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Consider the following system of equations.The steps for solving the given system of equations are shown below. Select the
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Which point is a solution to this system of inequalities?y≤1/2x-3 y+2x>6 A. (7,-8) B. (2,-3) C. (5,-2) D. (4,1)
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Sam is an artist, and he wants to purchase frames to display his work at home. He wants to frame no fewer than 10 of his pieces,
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Use the drawing tools to graph the solution to this system of inequalities on the coordinate plane.y > 2x + 4 x + y ≤ 6
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A company manufactures two types of cabinets, type 1 and type 2. It produces 110 total cabinets each week.Last week, the number
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What is the solution of the system x − 3y = –13 and 5x + 7y = 34?A. x=6/5,y=4 B. x=7/2,y=9/2 C. x=1/2.y=9/2 D. x=-3.y=7
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The difference of two numbers is 8. When twice the first number is added to three times the second number, the result is 51.
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A system of linear equations is given by the tables.x y -5 10 -1 2 0 0 11 -22 x y -8 -11 -2 -5 1 -2 7 4 The first equation of
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What is the exact solution to the system of equations shown on the graph?A diagonal curve declines through (negative 1 point 2,
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What is the exact solution to the system of equations shown on the graph?A diagonal curve declines through (negative 1 point 2,
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This table defines a function.x 7 10 13 16 y 21 30 39 48 Which table represents the inverse of the function defined above? A. x
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Consider this function.F(x)=2x-2 Which graph represents the inverse of function f? The linear function on a coordinate plane
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Let d(t) be the total number of miles Joanna has cycled, and let t represent the number of hours before stopping for a break
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Which graph shows a function and its inverse?A. A diagonal curve descends through (negative 10, 3 point 5), (negative 8, 3), (8,
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Find the inverse of function f.f(x)=9x+7 A. f^-1(x)=x-9-7 B. f^-1(x)=7/9x-1/9 C. f^-1(x)=7x+9 D. f^-1(x)=1/9x-7/9
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The points (-3,4) and (5,-2) are on the graph of function f. If function g is the inverse of function f, what pair of points are
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Select the correct answer from each drop-down menu.Let d(t) be the total number of miles Joanna has cycled, and let t represent
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Owen has enough materials to build up to 10 birdhouses in shop class. Each birdhouse needs 12 square feet of wood. The function
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find the value of g(7) for the function belowg(x)=7/8x-1/2 a:53/8 b:60/7 c:45/8 d:49/8
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Given that a function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45 and that g(0) = -2 and g(-9) = 6,
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Find the value of h(-7) for the function below.h(x) = 5.7 −19x A. 0.67 B. 138.7 C. -127.3 D. -138.7
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Which function has the same graph as x + y = 11?A. f(x) = -y + 11 B. f(x) = -x + 11 C. f(x) = x − 11 D. f(x) = y − 11
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Which of the following represents a function?A. x -5 -1 9 8 -1 y 1 7 23 17 1 B. A graph plots the points (negative 3, negative
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2. 51 views