For a differentiable function whose derivative is given by

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

For a differentiable function

f

whose derivative is given by

f'(x)=x^{2}-4x+4

, which of the following

x

-values is a critical number of

f

? (a)

x=0

(b)

x=4

(c)

x=2

(d)

x=-2