1.8: Past-paper question 4

(a) On the grid opposite, draw the graph of the line with equation

(b) Show, by shading on the grid, the region $\displaystyle R$ defined by the inequalities

For all points in $\displaystyle R$, with coordinates $\displaystyle (x, y)$

(c) find the least value of $\displaystyle P$

Only use this grid if you need to redraw your graph.