Consider the function f(x)=3x3−2x on the interval [−3,3].
(A) Find the average or mean slope of the function on this interval.
Average Slope =
(B) By the Mean Value Theorem, we know there exists at least one c in the open interval (−3,3) such that f′(c) is equal to this mean slope. Find all values of c that work and list them (separated by commas) in the box below.

List of values:

Question

Consider the function f(x)=3x3−2x on the interval [−3,3]. 
(A) Find the average or mean slope of the function on this interval.
Average Slope =  
(B) By the Mean Value Theorem, we know there exists at least one c in the open interval (−3,3) such that f′(c) is equal to this mean slope. Find all values of c that work and list them (separated by commas) in the box below.

List of values:

anonymous · Answer

Average slope = $\large \frac{f(3)-f(-3)}{(3)-(-3)} $

anonymous · Answer

for part b, do you have f'(x)  ???

anonymous · Answer

9x^2-2

anonymous · Answer

@ByteMe