The Graph of F Is Shown Below $f ^ {t } \text { an increasing function? }$

Multiple Choice

The graph of f is shown below. On what interval is $f ^ {t } \text { an increasing function? }$

A) $( 0 , \infty )$
B) $( - 1 , \infty )$
C) $( - 2 , \infty )$
D) $( 1 , \infty )$
E) $( 2 , \infty )$