(a(i))[1]
On the grid, sketch the graph of $y = 2$.
(a(ii))[1]
On the grid, sketch the graph of $y + x = 4$.
(b)[2]
On the grid, shade the region $R$ and label it, with $x + y \leq 4$, $2y \geq x$, $y \leq 2$ and $x \geq 0$ as the defining inequalities.