Let $f ( x ) = x ^ { 4 } - 2 x ^ { 3 } + 1$

Multiple Choice

Let $f ( x ) = x ^ { 4 } - 2 x ^ { 3 } + 1$ on $[ - 1,2 ]$ The absolute minimum and maximum of ƒ are located respectively at x =

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