Answer
See below.
Work Step by Step
If for an exponential function $y=ab^x$ $a\gt0,b\gt1$, then it is an exponential growth function and $b$ is the growth factor. $a$ is the initial amount and the percent increase is $b-1$.
Hence here the initial amount is $2500$, the percent increase is $1.5-1=0.5$, and the growth factor is $1.5$.
