Let $f ( x ) = x ^ { 4 } - 2 x ^ { 3 } + 3$

Multiple Choice

Let $f ( x ) = x ^ { 4 } - 2 x ^ { 3 } + 3$ Then ƒ has a relative minimum at x =

A) 0
B) 1
C) $\frac { 2 } { 3 }$
D) $\frac { 3 } { 2 }$
E) 2