# How do you find the derivative of y=f(x)+g(x)?

$y ' = f ' \left(x\right) + g ' \left(x\right)$
For example, if $y = {x}^{3} + {e}^{x}$, then
$y ' = \left({x}^{3}\right) ' + \left({e}^{x}\right) ' = 3 {x}^{2} + {e}^{x}$