Answer
The graphs are the same.
Work Step by Step
$(1/2)^{-x}$
$(1/2)^{-2}=(1/(1/2)^2)$
$(1/(1/2)^2)$
$(1/(1/4)$
$1/.25$
$4$
$2^2=4$
$(1/2)^{-2}=2^2$
$(1/2)^{-x}=2^x$
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