Answer
Exponential function.
Work Step by Step
For $x$.
$0+1=1$
$1+1=2$
$2+1=3$
For $y$.
$\frac{8}{2}=4$
$\frac{4}{2}=2$
$\frac{2}{2}=1$
As $x$ increases by $1,$ $y$ is divided by $2$.
So, the function is exponential.
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