Consider the function

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

Problem

f(x)=x^{3}-6x^{2}+9x+2

. At which

x

-value does

f

attain a local minimum? (a)

x=1

only (b)

x=3

only (c)

x=1

\text{ and } x=3 (d)

x=2

only