### Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-109

12-109.

An exponential function is a function of the form ^{ }.

What is the equation of an exponential function that passes through the points

and ? Substitute the points to get two equations.

Solve for

and.What does the

value from part (a) tell you about the function?‑

Starting value should be. Write a situation that could be modeled by this equation.