(a(i))[1]
Find the solution to $f(x) = 14$.
(a(ii))[3]
Using a suitable tangent, estimate the gradient of the graph at $(-2, 4)$.
(a(iii))[3]
By drawing an appropriate straight line on the grid, solve $f(x) = 2x - 2$ for $-3 \leq x \leq 3$.
(b)[5]
State the coordinates of $A$ and $B$.