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Blue Ridge
Questions (2)
Find the domain and range of each function.
f(x) = -sqrt{x} h(x) = sqrt{x + 1}
2 answers
808 views
If f(x) = int(x/2), find
A. f(1.2) B. f(1.6) C. f(-1.8)
1 answer
640 views
Answers (9)
Let P = (x, y) be a point on the graph of y = x^2 - 8. A. Express the distance d from P to the point (0, -1) as a function of x. B. What is d if x = 0? C. What is d if x = -1?
Let 33 1/3% = 100/3 (100/3)(p) = 19 Note: The word "of" means to multiply. The word "is" means equal. (100p)/3 = 19 Multiply both sides by 3. 3*(100p/3) = 3(19) 100p = 57 p = 57/100 This is the correct answer. Bosnian forgot to divide both sides by 100
(leg)^2 + (leg)^2 = (hypotenuse)^2 Let leg = s Let d = hypotenuse s^2 + s^2 = d^2 2s^2 = d^2 sqrt{2s^2} = sqrt{d^2} s•sqrt{2} = d You can use d = s•sqrt{2} to find the length of a diagonal of any square. I hope this helps.
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(leg)^2 + (leg)^2 = (hypotenuse)^2 Let leg = s Let d = hypotenuse s^2 + s^2 = d^2 2s^2 = d^2 sqrt{2s^2} = sqrt{d^2} s•sqrt{2} = d You can use d = s•sqrt{2} to find the length of a diagonal of any square. I hope this helps.
Question 1 The domain is all the x-coordinates in any given point in the form (x, y). So, the domain is {3, 5, 7, 8}. Question 2 The answer is no. Why no? The value of the x-coordinate cannot be repeated. We can see that the point (0.3, 0.6) and the point
(2x + 3)/3(x + 1)^2 + (x - 7)/3(x^2 - 1) (2x + 3)/3(x + 1)^2 + (x - 7)/3(x - 1)(x + 1) LCD = 3(x + 1)^2(x - 1) Take it from here.
-30 = j + 50 We need to find j. To do so, subtract 50 from both sides. -30 - 50 = j + 50 - 50 -80 = j + 0 -80 = j Answer is D.
Let T = amount of tip given by the family T = (90)(0.20) T = 18 The tip given by the family is $18.
An Irrational Number is a real number that cannot be written as a simple fraction. On the list provided, choice C is irrational because it cannot be written as a fraction.
