Let $f ( x ) = \frac { 1 } { 2 } x ^ { 3 } - 3 x ^ { 2 } + 6 x$

Multiple Choice

Let $f ( x ) = \frac { 1 } { 2 } x ^ { 3 } - 3 x ^ { 2 } + 6 x$ Then ƒ has a point of inflection at x =

A) -3
B) -2
C) -1
D) 0
E) 2