Questions and answers by

Calculus

Questions (22)

If 2,700 cm2 of material is available to make box with square base and an open top, find the dimensions that give the largest
1. 1 answer
2. 455 views
Convert (x-1)^2 +y^2=1 to a polar equation
1. 1 answer
2. 615 views
A wire 16 meter long has to be molded in a rectangular shape. What dimensions about the rectangle has to be used to manimize the
1. 1 answer
2. 370 views
Find all points on the graph of the function f(x) = 2 cos(x) + (cos(x))2 at which the tangent line is horizontal. Consider the
1. 1 answer
2. 1,514 views
Find the maximum value of the function f(x,y) = 9x2−9xy+y3 on the closed rectangle whose corners are the points (1,1),
1. 1 answer
2. 749 views
a wire length 12 meters is cut into two parts; one part is bent to form a square, and the other is bent to form an equilateral
1. 1 answer
2. 612 views
Given the function f(x)= sqrtxa) Let M= f´´(50) and N=f''(49). Argue on that f´´(x) lies between M og N if x =]49,50[ (Tip:
1. 1 answer
2. 527 views
A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people
1. 1 answer
2. 5,164 views
Find the value of a so that the function f(x) = xe^(ax) has critical point at x = 9I found that the derivative is
1. 1 answer
2. 2,934 views
Let f(x)=3x^3 +7.5x +1. In this problem you will estimate f'(3) by computing the average rate of change of f(x)over a small
1. 0 answers
2. 864 views
Integrate ∫ xsinxcosx dx
1. 2 answers
2. 1,492 views
The curvey = x/(1 + x^2) is called a serpentine. Find an equation of the tangent line to this curve at the point (2, 0.40).
1. 0 answers
2. 734 views
Find the area of the region shared by the circle r=2 and the cardioid r=2(1-cosx)(that x is supposed to be theta, and as you can
1. 1 answer
2. 699 views
An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the
1. 2 answers
2. 1,468 views
f(x) = 6(cos(x))^2 - 12sin(x)0 ¡Ü x ¡Ü 2(PI) I have to find where the interval is increasing, decreasing, local mins and
1. 1 answer
2. 700 views
Find the critical numbers of the function g(t)=|5t-7|If you find g'(t) you just get 5 so would there be no critical numbers? Or
1. 1 answer
2. 1,328 views
A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a
1. 3 answers
2. 1,475 views
A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a
1. 1 answer
2. 1,114 views
can someone please explainh t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 7 0 4 1 1 4 5
1. 1 answer
2. 350 views
can someone please explainh t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 7 0 4 1 1 4 5
1. 5 answers
2. 384 views
I'm asked to find the domain of fuction(x+5)/(x-3) saying that x is all reals except for x can not equal three is wrong correct?
1. 13 answers
2. 1,131 views
ok I don't understand how this was doneinergral(y2 and y1) pgywdy = 1/2 pgw(y2^2 - Y1^2) ok it's been a while sense calc I
1. 1 answer
2. 537 views