01/14/16

inverse of the 5th root of (3x-1)/(x-2)
I need to find the inverse of the 5th root of (3x-1)/(x-2)
Follows • 1
Expert Answers •1

01/13/16

Write a polynomial function with single....
Write a polynomial function with single zeros at -2 and 4, a double zero at 1, and a y-intercept of 24
Follows • 2
Expert Answers •2

01/12/16

A camera is 2000 ft. from the launch pad of a rocket.
A camera is 2000 ft. from the launch pad of a rocket. The height of the rocket is given by h(t) = 50t2. What is the rate of change of the angle of elevation of the camera 10 seconds after lift... more
Follows • 1
Expert Answers •1

01/11/16

Find lim (x --> infinity) (x^4 -x^2 + 1)^1/2 - x^2
Find lim (x --> ∞) (x4 -x2 + 1)1/2 - x2
Follows • 2
Expert Answers •2

01/04/16

Write the expression below as a product of two factors
12m + 8n - 4
Follows • 4
Expert Answers •2

01/04/16

A rain gutter is to be constructed from a metal sheet of width 30 cm by bending up one-third of the sheet on each side through an angle ?. How should ? be chose
A rain gutter is to be constructed from a metal sheet of width 30 cm by bending up one-third of the sheet on each side through an angle θ. How should θ be chosen so that the gutter will carry the... more
Follows • 2
Expert Answers •1

01/04/16

Find a positive number such that the sum of the number and its reciprocal is as small as possible.
Find a positive number such that the sum of the number and its reciprocal is as small as possible.
Follows • 2
Expert Answers •1

01/02/16

Use the first derivative test to find any relative extrema
Hello could someone please help me find the extrema on this function:   f(x)= (3/2)sin((πx/2)-1) on the interval [0,4]   I did the first derivative and I think it's f'(x)=... more
Follows • 3
Expert Answers •2

12/31/15

Function approximation
The function   g(x)=|x-2|+|x-1.5|+|x-1|+|x-0.5|+|x|+|x+0.5|+|x+1|+|x+1.5|+|x+2|   can be approximated on the interval [-3,3] by the quadratic function y=ax^2+b, where a and b are both integers.... more
Follows • 2
Expert Answers •1

12/28/15

Find a cubic function, in the form below, that has a local maximum value of 4 at -4 and a local minimum value of 0 at 2.
Find a cubic function, in the form below, that has a local maximum value of 4 at -4 and a local minimum value of 0 at 2.   f (x) = ax^3 + bx^2 + cx + d
Follows • 1
Expert Answers •1

12/26/15

Use implicit differentiation to find an equation of the tangent line to the curve, called a devil's curve, at the point (0, -2).
Use implicit differentiation to find an equation of the tangent line to the curve, called a devil's curve, at the point (0, -2).   y2 (y2-4) = x2 (x2 - 5)    
Follows • 3
Expert Answers •1

12/26/15

If F(x) = f(xf(xf(x))), where f(1) = 5, f(5) = 6, f '(1) = 3, f '(5) = 4, and f '(6) = 5, find F '(1).
If F(x) = f(xf(xf(x))), where  f(1) = 5, f(5) = 6, f '(1) = 3, f '(5) = 4, and f '(6) = 5, find  F '(1).
Follows • 2
Expert Answers •2

12/26/15

Differentiate:
Differentiate:   f(w) = w / (w +c/w)
Follows • 3
Expert Answers •2

12/25/15

Sabrina is playing a ball with her dog. She throws the ball in a parabolic path that can be modeled by the function y=1/2(x-3)^2+7
Sabrina is playing a ball with her dog. She throws the ball in a parabolic path that can be modeled by the function y=1/2(x-3)^2+7. Her brother, Bobby, is playing in a tree next to her. Bobby... more
Follows • 3
Expert Answers •3

12/25/15

i drove from home to work at 30 mph. after work traffic was heavier and drove home at 25 mph. my driving time to and from work was 1 hour and 6 minutes. how far
do i live from work?
Follows • 3
Expert Answers •3

12/25/15

Evaluate the function
Evaluate the function f(x)=x^2-2x for the given value of X   f(c+2)=
Follows • 3
Expert Answers •2

12/21/15

Please prove that cot A + cot B + cot C = (a^2 + b^2 + c^2)/(4(area of triangle ABC)).
I need help with this proof. Please help me. 
Follows • 1
Expert Answers •1

12/20/15

Word Problem Help
A truck has 8100 gal of gas. The station has 400 gal of gas in its tank. After the truck fills the station's tank is has 4 times as much gas as the station. How much gas did it take to fill the... more
Follows • 1
Expert Answers •1

12/18/15

A piece of wire 10 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut
A piece of wire 10 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut so that the total area enclosed is... more
Follows • 2
Expert Answers •2

12/18/15

4914: A gasoline
A gasoline tank has the shape of an inverted right circular cone with base radius 4 meters and height 5 meters. Gasoline is being pumped into the tank at the rate of 8 meters3/sec. Find the rate,... more
Follows • 3
Expert Answers •2

12/18/15

4096: Solve this problem algebraically
Solve this problem algebraically, using your knowledge of derivatives. Do not solve by graphing.If 200 feet of fencing is used to enclose a rectangular plot of land that borders a river, what is... more
Follows • 1
Expert Answers •1

12/18/15

4092: Use the second derivative test to find the relative extrema
Use the second derivative test to find the relative extrema for f(x) = x4 - 8x2 - 4. Minimum at (2, -20); maximum at (0, -4) Minimum at (-2, -20); maximum at (2, -20) Minimum at (2, -20) and... more
Follows • 1
Expert Answers •1

12/17/15

Suppose that f is a positive, concave up function on I and g is concave down on I. What is the concavity of 3(f(x))^2 -? 2g(x) on I?
Suppose that f is a positive, concave up function on I and g is concave down on I. What is the concavity of 3(f(x))2 - 2g(x) on I?       ANSWER: concave up #13, prac test
Follows • 1
Expert Answers •1

12/16/15

What are the intervals of increasing and decreasing, and the intervals of concavity of the following?
What are the intervals of increasing and decreasing, the local min and max and the intervals of concavity of the following?   y = exsin(x)  -pi ≤ x ≤ pi   I know I need the first derivative,... more
Follows • 1
Expert Answers •1

12/15/15

2 different integrals
∫x/(X2 +3)  = .5 ln(x2+3)       u=x2+3 du = 2x dx   1/2 ∫ 1/(x2+3)  =  1/2 *ln(x2+3)   here ∫ 1/(x2+3) gives is... more
Follows • 2
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.