05/12/20

Given f(x) = 4x2 − 3x + 2 and g(x) = 9x − 5, identify g(f(−2)).
Could use some help with this algebra question. Thank you!
Follows • 1
Expert Answers •2

05/12/20

Volume of Rotations
Calculate the volume of a solid generate by the area bounded by y = x, y = 4 - x and y = 4 rotated about the line x = -2.Here is what I have. I am not sure if this is correct.π ∫02 ((2+y)2-22)dy+ π... more
Follows • 1
Expert Answers •2

05/10/20

1. What are the questions, in order, that you ask yourself as you start to factor a polynomial? What do you need to do as a result of the answer to each question?

Follows • 1
Expert Answers •1

05/06/20

Using u-substitution we find that integral from 0 to 1 of x^2 e^(x^3-1)dx =(e-1)/3e
A) what is an appropriate u-substitution for this integral?B) what is the corresponding differential du?C) what are the corresponding lower and upper bounds?D) what is the integral with respect to... more
Follows • 1
Expert Answers •1

05/05/20

What is the volume of a triangle bounded by y=-x+6, x=2, and y=2 rotated about the x-axis
Follows • 1
Expert Answers •3

05/03/20

Find The Equation of Tangent
Find the equation of each tangent of the function f(x)=x^3+x^2+x+1 which is perpendicular to the line 2y+x+5 =0
Follows • 1
Expert Answers •1

05/01/20

Find the equation of a quadratic function that has the given x-intercepts and contains the given point. Express each function in factored form. roots: -3 and 5, point (4, -3)

Follows • 1
Expert Answers •1

04/30/20

Local extrema problem. PLEASE HELP!!
Find all local extrema of the function f(x)= 1/x-1 + 1/x on the interval (0,1).
Follows • 1
Expert Answers •1

04/30/20

Nicky wants to surround an 11 in. by 5 in. painting with a frame that is w inches wide. Which quadratic function represents the combined area A of the picture and the frame?
I am struggling with problem, I can't find the answer. So if someone could explain it to me it would be nice. Thank you.
Follows • 1
Expert Answers •3

04/19/20

find an equation of the line that is

Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function          Line f(x) = 2x2      4x − y + 5 = 0
Follows • 1
Expert Answers •1

04/18/20

For what values of θ is sinθ < cosθ when 0 ≤ θ < π?
the answer is set up as __ ≤ θ < __
Follows • 1
Expert Answers •2

04/14/20

What are the critical points of the given function? f(x)=(1/3)x^2 +2cosx
f(x)=(1/3)x^2 +2cosxI'm stuck on this question because I feel like there is no answer. To use newtons law you need to use roots or when x=0 but there are no points on the x axis. Can someone please... more
Follows • 1
Expert Answers •2

04/13/20

washers method for finding volume
Find the volume of the solid that results when the area of the region enclosed by y 2  = 4x, x = 4, and y = 0 is revolved about the y axis
Follows • 1
Expert Answers •1

04/12/20

g(x)=xtanx INTERVAL: -3pi/2<x<3pi/2 I got DNE for the 2 points of inflection but I got them wrong. Help?
I also put in -pi/2,0 and pi/2,0. As well as -pi,0 and pi,0 All wrong. It only lets me put in 2 points of inflection
Follows • 1
Expert Answers •1

04/11/20

GEOMETRY QUESTION !!!
A quadrilateral has verticesA(-4,3) B(0,4)C(3,-4)D(-5,-1)I had figured out that it was a trapezoid but it asks to find the midpoints E,F,G,H of the sides of the quadrilateral ABCDAlso how would I... more
Follows • 1
Expert Answers •1

04/09/20

calculus, dimensions

A fence is to be built to enclose a rectangular area of 280 square feet. The fence along three sides is to be made of material that costs 3 dollars per foot, and the material for the fourth side... more
Follows • 1
Expert Answers •2

04/09/20

evaluate double integral
∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy
Follows • 1
Expert Answers •2

04/09/20

evaluate double integral

∫ 2 0 ∫π 0 (r^2 )sinθdθdr
Follows • 1
Expert Answers •1

04/08/20

Evaluate a) ∫2 1 ∫6 0 (5x2+y2)dxdy , b) ∫ 2 0 ∫π 0 (r^2 )sinθdθdr , c) ∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy
Evaluate a) ∫2 1 ∫6 0 (5x2+y2)dxdy , b) ∫ 2 0 ∫π 0 (r^2 )sinθdθdr , c) ∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy
Follows • 1
Expert Answers •1

04/07/20

calc. area box question
An open box is to be made out of a 8-inch by 16-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box... more
Follows • 1
Expert Answers •1

04/07/20

Calculate the double integral

Calculate the double integral ∫∫Rxcos(x+y)dA where R is the region: 0≤x≤π3,0≤y≤π4
Follows • 1
Expert Answers •2

04/02/20

Consider the function f(x) = e ^-x on the value [0,ln2] Find the "c" value guaranteed by the mean value theorem, or if the mean value theorem conditions are not met state why
Follows • 1
Expert Answers •2

04/02/20

Find area of sector of circle

Please help! find the are of a 25degree sector of a circle which has a diameter of 12 inches
Follows • 0
Expert Answers •3

04/01/20

Verifying identities, again
Is it possible to verify the following? I’m having a lot of trouble with it. Edit: this is the original equation, and my teacher wants us to use difference of cubes. I was able to verify it, but I... more
Follows • 2
Expert Answers •1

04/01/20

Find the differential dy of the given function. (Use "dx" for dx.)
y=(x+1)/4x-9Marked as incorrect: [(1)-4/(4x-9)2 ] * dx
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.