(i)[3]
Find $f'(x)$ for this function.
(ii)[1]
State, with a reason, whether $f$ is increasing, decreasing or neither.
(iii)[4]
The function $g$ takes the form $g(x) = \frac{1}{x+1} + \frac{1}{(x+1)^2}$ for $x < -1$. Find the coordinates of the stationary point on the curve $y = g(x)$.