Question

# Find derivatives of the functions defined as follows. y=4^{-5x+2}

Composite functions
$$\displaystyle{y}={4}^{{-{5}{x}+{2}}}$$
$$\displaystyle{\frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{t}\right.}}}}={\left(-{5}{\ln{{4}}}\right)}{4}^{{-{5}{x}+{2}}}$$