Find the Absolute Extremum Within the Specified Domain $f(x)=(x+1)^{2}(x-2)$ ; $[-2,1]$ A) $(-1,0)$

Find the absolute extremum within the specified domain.
-Maximum of $f(x) =(x+1) ^{2}(x-2)$ ; $[-2,1]$

A) $(-1,0)$
B) None
C) $(2,0)$
D) $(-2,1)$