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Calculus (Help)
Also I would like to know how to set this problem up in finding the answer: Find the second derivative. y= sqrt(3x+4) Thanks, P.S. I tried taking 3x+4 and squaring it to the 1/2. I thought that might've been the same, then I took
asked by Confused on February 21, 2007 
Derivative Calculus
I just need my answers checked. 1) Find the derivative. f(x)=3x^5/4  8/9x^9/8 + x^2  9x + 1 Answer: f’(x)= 15/4x^1/4  x ^1/8 + 2x 9 2) Let f(x)= 7x^3  9x. Find f’(5) Answer: f’(x)=21x^29 f’(5)=516 3) Find the given
asked by Steff on June 14, 2011 
Calculus
Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = 2, g(4) = 6, g'(4) = 4, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: 27 b. Derivative of
asked by Anonymous on October 15, 2016 
Calculus
Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = 2, g(4) = 6, g'(4) = 5, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: 27 b. Derivative of
asked by Anonymous on October 16, 2016 
Calculus
R=M^2(c/2m/3) dR/dM=CMM^2 I found the derivative. Now how would I find the vale of M that maximize the derivative dR/dM? set it to zero, and solve for m. You get two solutions. Use the second derivative to see which one is the
asked by Anonymous on May 29, 2007

Calculus
If x = t^2 + 1 and y = t^3, then d^2y/dx^2 = I know I can solve for t in terms of x and substitute that into y = t^3 and find the double derivative. I also know that I can take the derivative of x and y then divide dy/dt by dx/dt.
asked by Anonymous on May 15, 2008 
calculus
Find the first and second derivative  simplify your answer. y=x/4x+1 I solved the first derivative and got 1/(4x+1)^2 Not sure if I did the first derivative right and not sure how to do the second derivative.
asked by Janet on March 16, 2011 
Calc I
if f(t)=sqrt(4t+1) find f''(2) I got the first derivative to be: 1/2(4t1)^1/2 * 4t^3 and i'm trying to figure out if i need the product rule again to find the second derivative 1t^3(4t1)^3/2 * 4t^3 The answer if 4/27 and I'm
asked by Brian on December 7, 2014 
College Calculus 1
We have to find the first and second derivative of f(x)=x^(2/3)(6x)^(1/3) I have the first derivative as being (4x)/(x^(1/3)(6x)^(2/3)) And that I know is right. The second derivative is 8/(x^(4/3)(6x)^(5/3)) I did all the
asked by Please help on October 14, 2010 
Calculus> bobpursley
How do you get m=0? from taking the second derivative? does c=1? Can you check my work on how I get the derivative of R=M^2(c/2m/3) NEXT R=1/2(CM^2)1/3(M^3) NEXT dR/dM=CMM^2. I checked in the back, and that was the answer for
asked by Anonymous on May 30, 2007 
calc
derivative of (x^3/6)+(1/2x)? i got (x^2/2)(1/2x^2) is that correct? and then wut is the (F'(x))2?...meaning the derivative squred? if you meant (1/2)x^2  1/(2x^2) you are correct I don't think they are looking for the square of
asked by MARY on May 6, 2007