Question

Question below text for character limit

Answer 1

`y = a(b)^x \\\\\\ \textit{we know that} \begin{cases} x=0\\ y=9 \end{cases}\implies 9=a(b)^0 \implies 9=a(1)\implies 9=a \\\\\\ \underline{y=9(b)^x}\qquad \qquad \stackrel{\textit{and with a multiplier of 0.6}}{\underline{y = 9(0.6)^x}}`