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Academics – Mathematics : 2018/MAR/05

Question

Q5. a) Draw the graph of the function y = 4 – x - x² for the range-3 ≤ x ≤ 2 in intervals of 0.5(8)

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

i) the maximum value of y. (2)

ii) the solutions of the equation 4 - x - x² = 0 (3)

iii) the solutions of the equation 2.5 - x - x² = 0. (3)

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