Question: Make sure to show your work Let f(x) = 3x 3 - 2x a) Use the formal definition of the derivative to evaluate f'(x). b)

Make sure to show your work

Let f(x) = 3x3 - 2x

a) Use the formal definition of the derivative to evaluate f'(x).

b) Find the slope intercept form of the line tangent to the curve when x =4. Enter the slope in the number box below.

c) Find all values of x for which the tangent line is horizontal

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