If $f(x) = \left(2 x + 1\right)^{5}$, what is $f'\left(0\right)$?

Explanation

1. 01

   $f'(x) = 5(2x + 1)^{4} \cdot 2 = 10(2x + 1)^{4}$.

2. 02

   $f'(0) = 10$.