185 Answered Questions for the topic Differentiation

Differentiation Derivatives Ib

02/19/15

Derivatives of ex and ln x
An example in my textbook goes as follows: f(x)=ln e3x     = 3x f'(x) = 3   I understand that the derivative of 3x is 3, that the derivative of ex is ex, ,and that the derivative of ln x is 1... more
Follows • 2
Expert Answers •2
Differentiation

02/05/15

Using the rules of differentiation, calculate y'
(a) 6√x-4x3 +5ex (b) πx2  
Follows • 3
Expert Answers •2
Differentiation Calculus

02/04/15

Calculus Question (urgent help needed)
A small piece of string that measures 20cm in length is cut into two pieces. The first is made into a circle with radius 'r ' in (cm) and the second a square with side length 's' in (cm).   Write... more
Follows • 2
Expert Answers •1
Differentiation Math Derivatives Ib

01/26/15

Derivative
Find the derivative of f(x) = x2e–x I've managed some of the question but am having trouble finishing it. Can someone please explain?
Follows • 2
Expert Answers •1
Differentiation Derivatives Ib Ib Maths

01/25/15

Derivative
Find the derivative of f(x)=xsquared(2x-3)to power of 4   sorry i couldn't write the powers out on my phone. Can someone please explain the question?
Follows • 3
Expert Answers •2
Differentiation

01/18/15

differentiate the equation Y= 3X4 (X2 +2)
differentiate the equation. and show workings   Y= 3X4 (X2 +2)
Follows • 2
Expert Answers •2
Differentiation Calculus Domain And Range

01/01/15

Differentials: Maximums and Minimums
So I'm reviewing some real-life examples of Max and Mins in differential Calculus and I'm met with an example that says that the perimeter of a square restricts the domain to (0,1). I'm not sure I... more
Follows • 3
Expert Answers •2
Differentiation Calculus Graphs Derivatives

12/22/14

Differential Calculus
I asked a question earlier about open and closed intervals, so why did my teacher say this was wrong?    Determine any values of c in the interval [0,2pi] for which f'(x) = 0.   f(x) = cos... more
Follows • 2
Expert Answers •2
Differentiation

11/11/14

A rock dropped into a pond causes a circular wave of ripples whose radius increases at 6 inches per second.
A rock dropped into a pond causes a circular wave of ripples whose radius increases at 6 inches per second. How fast is the area of the circle of ripples expanding at the instant that the radius of... more
Follows • 2
Expert Answers •1

11/05/14

how do I solve for x in the equation: 2/3 = ln2x
please show working and also explain why you do it how you do it. Thanks! :)
Follows • 1
Expert Answers •1
Differentiation Calculus Derivatives

10/21/14

What is the derivative of f (f^-1 (x))=x ?
Please show work
Follows • 2
Expert Answers •1

10/15/14

proving f'(x)/f(x)= 1/(x-a)
I couldn't understand and sole this question. please help    Define f(x):= (x-a1)(x-a2)(x-a3)... (x-at), where an are constants, 1≤n≤t , where t is some finite natural number. Show that... more
Follows • 3
Expert Answers •1
Differentiation

10/15/14

How many trees should be planted on an acre in order to get the highest yield?
An apple farm yields an average of 30 bushels of apples per tree when 20 trees are planted on an acre of ground. Each time 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per... more
Follows • 4
Expert Answers •3

10/05/14

Differentiation - Show steps!
Suppose y is defind implicitly as a function of x by the following equations, where g is a given differentiable function of one variable. Find an expression for y'.   a. xy=g(x)+y3 Ans: y' =... more
Follows • 3
Expert Answers •2
Differentiation

09/25/14

Find the equation of the tanget to the curve y=x^2 which is parallel to the line y=x.
A simple question which includes differentiation,but it got me stuck...
Follows • 1
Expert Answers •1
Differentiation Math Math Help Mathematics

09/23/14

Differentiation
A curve has the equation y=3e2x. Find the value of d2y/dx2 at the point where the gradient is 3.   Ans:6   Thank You! :)
Follows • 1
Expert Answers •1
Differentiation Math Math Help Problem

09/23/14

Differentiation
The number of crimes, C, in a particular country between 2000 and 2010 was given by the function C=11.9+ 0.1t + ln(t+1), where t is the number of years passed since 2000. Show that C is an... more
Follows • 1
Expert Answers •1

09/22/14

Differentiation
Differentiate the following with respect to x. cos(x+π)/sin3x   Ans: [sin(x+π)sin3x +3cos(x+π)cos3x]/ sin23x   Thank you! :)
Follows • 2
Expert Answers •1

09/22/14

differentiation
The function f is defines by f(x)=sinx + cosx , for 0≤x≤2π. Find (i) The range of values of x for which f(x) is increasing        (ii) The range of values of x for which f(x) is... more
Follows • 2
Expert Answers •1
Differentiation Math Math Help Math Question

09/22/14

Differentiation
Two variables x and y are related by y= ln(2+e-x) for x >0. Given that x is increasing at a rate of 3 units per second, find, in terms of e, the rate of change of y when x=1.   Ans:... more
Follows • 2
Expert Answers •1
Differentiation Math Math Help Math Question

09/22/14

Differentiation
Differentiate with respect to x.  ln[ (x+3)3 cos3x / sin x ]   Thank You ! :)   Ans : 3/(x+2) -3tan3x -cotx
Follows • 2
Expert Answers •1

09/22/14

Differentiation
Differentiate with respect to x. ln ((√x2 +1) -x) . Thank you! :)   Ans: -1/(√x2+1)
Follows • 2
Expert Answers •1

08/25/14

How do I find a second derivative?
What is the second derivative for the function y=e^(6-x^2) ? Please show workings.
Follows • 3
Expert Answers •2
Differentiation Matlab

06/27/14

I need to calculate derivative of a function whose parameters are functions of other parameters using MATLAB or Maple
I'm doing some mathematical calculation of some symbolic math that includes multiplication and differentiation of some matrices.Some of the parameters in my calculations are functions of time. for... more
Follows • 2
Expert Answers •1

04/24/14

Differentiation Rules for Exponential Functions
how do you find the second derivative of y=e-x^2
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.