Review question

# Given $f'(x)$ and $g'(x)$, what is $f''(2x)$? Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource

Ref: R8588

## Question

The functions $f$, $g$ and $h$ are related by $f'(x) = g(x+1), \qquad g'(x)=h(x-1).$ It follows that $f''(2x)$ equals

1. $h(2x+1)$;

2. $2h'(2x)$;

3. $h(2x)$;

4. $4h(2x)$.