Solution. Let f(x) = 2^x. We have seen here that:
\begin{align*}
\frac{d}{dx} a^x = a^x \ln(a).
\end{align*}\begin{align*}
f'(x) = 2^x \ln(2).
\end{align*}
\begin{align*}
\frac{d}{dx} a^x = a^x \ln(a).
\end{align*}\begin{align*}
f'(x) = 2^x \ln(2).
\end{align*}