The Graph of an Exponential Function Is Given $f ( x ) = 4 ^ { x }$

Multiple Choice

The graph of an exponential function is given. Match the graph to one of the following functions.
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A) $f ( x ) = 4 ^ { x }$
B) $f ( x ) = 4 ^ { x } - 2$
C) $f ( x ) = 4 ^ { x + 2 }$
D) $f ( x ) = 4 ^ { x } + 2$