Exponential function. \(\displaystyle{y}={a}{b}^{{x}}\)

For it to be exponential growth

\(a>0\)

\(b>1\)

\(a=5\)

\(b=3\)

\(\displaystyle{y}={5}{\left({3}\right)}^{{x}}\)

For it to be exponential decay, \(a>0\)

0 \(a=2\)

\(b=0.8\)

\(\displaystyle{y}={2}{\left({0.8}\right)}^{{x}}\)