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Q5. Draw the graph of the function y = 5 + 0.5x - x² the range - 3  ≤  x  ≤ 3 in intervals of 1. (8)

Suggested scales:     horizontal axis 2 cm = I

vertical axis 2 cm = I

(b) Use the graph drawn in Q5(a) to determine EACH of the following:

(i) the maximum value of y. (1)

(ii) the solution of the equation 3.5 + 0.5x - x⁵ = 0.(3)

(iii) the solution of the equation x = 2x² = - 13. (4)