436 Answered Questions for the topic Derivative

Find an equation for the tangent line to the implicit curve at a point.

sin(x−y) =xcos(y+π/4) at the point (π/4, π/4)

11/29/18

Use The Definite Integral (Riemann Sum) to evaluate integral (2+3x-x^2) where x is from 1 to 5?

The solution should include Δx and xi

11/17/18

Linear Approximation

The stopping distance for an automobile is F(s) = 1.1s + 0.054s2 ft, where s is the speed in mph. Use the Linear Approximation to estimate the change in stopping distance per additional mph... more

Linear Approximation

Use differentials or Linear Approximation to approximate the value shown (note each method will give the same result for your chosen x = a)Cube root of 26.1(Round to four decimal places)

11/13/18

An Optimization Problem

I have some issues regarding this optimization problemA cylindrical garbage can with no top needs to hold 6 ft3 of garbage. What diomensions should the can have in order to minimize the amount of... more

11/13/18

Find the absolute max and min if they exist

For f(x) = 2 + 3x - x3 over (-1,2).I found the first point is x = 1Then took the limit as x goes towards 2 from the left and got 0Then limit as x goes towards -1 from the right of the equation and... more

Finding relative extremes/extrama x-coordinates using the Second Deritavtive Test to find the x-coordinates of all relative extremes/extrema

Hi, I got a question regarding using a Second Derivative Test to find the x-coordinates of all the relative extremes/extrema if they exist for f(x) = x4 - 4x3 + 4x2 .I took two derivatives of this... more

Using First Derivative Test to find the solution for the problem

Hi, I got a Calculus problem I just want to verify that I got right Given f(x)=x^4 - 3x^3. Use the 1st Derivative Test to find the solution. a) Find all x coords of critical pts and possible... more

11/12/18

Dimensions of a Rectangle

The rectangular bird sanctuary with one side along a straight river is to be constructed so that it contains 32 km2of area. Find the dimensions of the rectangle to minimize the amount of fence... more

11/12/18

Dimensions of a Rectangle

A rectangular bird sanctuary is being created with one side along a straight riverbank. The remaining three sides are to be enclosed with a protective fence. If there are 36 km of fence available,... more
Derivative Calculus Area Dimensions

11/12/18

Dimensions of a Rectangle

Find the dimensions of the rectangle of maximum area that can be formed from a 20-in.piece of wire.
Derivative Math

11/11/18

Use interval notation to indicate where f(x) f ( x ) is concave up and down.

if f(x)=2/(x^2-4)Use interval notation to indicate where f(x) f ( x ) is concave up and down.

10/28/18

Rate of Change for the value of y

If y'(8)=1/12, how much would you think y would change between x=8 and x=8.12? (Hint: y' measures the rate of change of y per unit of change of x)I tried to use y2-y1/x2-x1 and set it equal to 1/12... more
Derivative Math Calculus Limit

10/24/18

Calculus: Finding x, Derivative and Limit

1) Find x if e5-6x = 5.2) Find derivative of g(x) = ex √x with respect to x.3) Evaluate following limit:lim ln(sin(x))x -> 0+
Derivative Calculus

10/14/18

Find derivitive by implicit differentiation

Find dy/dx by implicit differentiation.tan−1(5x2y) = x + 2xy2 
Derivative Math

10/14/18

Helium is pumped into a spherical balloon at a constant rate of 3 cubic feet per second. How fast is the radius increasing after 4 ​minutes?

At what time​ (if any) is the radius increasing at a rate of 120 feet per​ second?
Derivative Math Math Help

10/14/18

A 7.00​-ft-tall man walks at 6.00 ​ft/s toward a street light that is 18.0 ft above the ground. At what rate is the end of the​ man's shadow moving when he is 15.0 ft from the base of the​ light?

Use the direction in which the distance from the street light increases as the positive direction.

10/13/18

What is the Implicit Derivative of y = 2^(x^3 - 4)

For clarification, (x^3-4) doesn't translate to x^-1, instead it's read as x cubed minus 4
Derivative Calculus Word Problem

10/05/18

Calculus Writing Project

Our jalapeño pepper plants have been producing peppers like there’s no tomorrow, and Sunrise Farms has starting baking jalapeño poppers to sell at the farmer’s market. During our experiments to... more

07/11/18

find the function that would produce a derivative of y = x.

I don't know how where to start.

06/02/18

Derive the Equation

Let y=x^7-4x^5+8x^3-2x-7 Then y(2) is --- Then (dy)/(dx) is ---  (d(2))/(dx) is ---  The second derivative of y is ---  and y''(2) is -----

05/21/18

Write the Derivative

 Write the derivative ( formula for the slope of the graph) of f(x)= 2x2 + 5x   Please show all work 
Derivative Derivatives

04/14/18

derivative of 1/ cuberoot of x , using limit defintion

deravitve of 1/ cuberoot of x , using limit defintion , with steps please

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