3.4 | The Chain Rule


If \(g\) is differentiable at \(x\) and \(f\) is differentiable at \(g(x)\), then the composite function \(f(g(x))\) is differentiable at \(x\) and
$$
\frac{d}{dx}[f(g(x))] = f'(g(x)) \cdot g'(x)
$$

E 3.4 Exercises