7.a.2 - 2015 Q6
(a) Find
giving each term in its simplest form. (4)
Figure 2 shows a sketch of part of the curve C with equation
The curve C starts at the origin and crosses the x-axis at the point (4, 0). The area, shown shaded in Figure 2, consists of two finite regions and is bounded by the curve C, the x-axis and the line x = 9
(b) Use your answer from part (a) to find the total area of the shaded regions. (5)
(b) Use your answer from part (a) to find the total area of the shaded regions. (5)