91Ó°ÊÓ

Determine whether the function $y=0.2{\left(5\right)}^{-x}$ represents exponential growth or decay.

Write an exponential function whose graph passes through the points $\left(0,-2\right)\text{and}\left(-2,-32\right)$.

Write an exponential function whose graph passes through the points $\left(0,3\right)\text{and}\left(1,15\right)$.

Write an exponential function whose graph passes through the points $\left(0,7\right)\text{and}\left(2,63\right)$.

Write an exponential function whose graph passes through the points $\left(0,-5\right)\text{and}\left(-3,-135\right)$.

Write an exponential function whose graph passes through the points $\left(0,0.2\right)\text{and}\left(4,51.2\right)$.

Write an exponential function whose graph passes through the points $\left(0,-0.3\right)\text{and}\left(5,-9.6\right)$.

Simplify the expression ${\left(5^{\sqrt{2}}\right)}^{\sqrt{8}}$.

Match each function with its graph.

$y=2{\left(5\right)}^x$

Write the equation $5^4=625$ in logarithmic form.