Sketch a Graph of F Is Shown Below $f ^ { t } ( x ) \text { zero? }$

Multiple Choice

Sketch a graph of f is shown below. For which values of x is $f ^ { t } ( x ) \text { zero? }$

A) $x = 2 ; x = 0$
B) $x = 0 ; x = - 1$
C) $x = 0 ; x = 6$
D) $x = 0 ; x = 4$
E) $x = - 2 ; x = 1$