Exponential Functions · Exercise 67

Recall that an exponential function is any equation written in the form $f\left(x\right)=a\cdot b^x$ such that $a$ and $b$ are positive numbers and $b\ne 1.$ Any positive number $b$ can be written as $b=e^n$ for some value of $n$. Use this fact to rewrite the formula for an exponential function that uses the number $e$ as a base.

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Algebra and Trigonometry 2e · §6.1 Exponential Functions · Exercise 67