### Home > INT3 > Chapter 8 > Lesson 8.1.2 > Problem 8-36

8-36.

The graph of an exponential function passes through

*.*

What is the equation of the function?

Substitute

for and then use the points to write a system of equations.Rewrite each equation by subtracting

from both sides. Solve the first equation for

.Substitute for

in the second equation.Solve for

.Substitute

for to solve for.If the function also passes through

, what is the value of ?Substitute

for andfor.