CPM Homework Help : CCA Problem 10-44

Find the equation of an exponential function of the form $y=ab^x$ passing through the points $(2,3)$ and ( $5,$ $\frac { 1 } { 9 }$ ).

Hint:

Look at problem 10-33 or the Math Notes box in Lesson 9.3.1 for help solving this problem.

Answer:

$y=27\left(\frac{1}{3}\right)^\textit{x}$