Find the Absolute Minimum of the Function $f ( x ) = x ^ { 3 } - 3 x ^ { 2 }$

Multiple Choice

Find the absolute minimum of the function $f ( x ) = x ^ { 3 } - 3 x ^ { 2 }$ on the interval 1 $\le$ x $\le$ 7.

A) -4
B) 0
C) 7
D) -1