## Algebra 1: Common Core (15th Edition)

You have g(x)=1.3($\frac{1}{4}$$)^{x}$ which is the same as g(x)=1.3(0.25$)^{x}$.This is an exponential decay because b=0.25 is less than 1 so over time the Y-value decreases. The growth factor is 0.25 because it is the value of B.