Answer
Exponential growth function
Work Step by Step
Exponential function is of the form
$y=ab^{x}$ where $a\ne0$, $b\ne1$ and $b\gt0$.
From the table of values,
$\text{y-intercept}=2=a$
The $y$-values increase by a factor of $4$ as $x$ increases by $1$. So, $b=4$.
As $b\gt1$, the given table represents an exponential growth function.
