The graph of $y = 2x + 1$ is shown on the grid.
By shading the parts of the grid that are not needed, identify and mark the region $R$ that obeys these inequalities:
$y \ge 2x + 1$
$y \ge 1$
$4x + 3y < 12$
(main)[4]
Identify and label the region $R$ that meets the stated inequalities.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Line $4x+3y=12$ dashed” …