## Calculus Concepts: An Informal Approach to the Mathematics of Change 5th Edition

$\ln(2)y^{\ln(2) - 1}$
For $m(y)=y^{n}$, $\frac{dm}{dy} = ny^{n-1}$ Therefore, for $m(y)=y^{\ln(2)}$ $\frac{dm}{dy} =\ln(2)y^{\ln(2) - 1}$