(a) (i) Rationalize the denominator of (iii) Hence, or otherwise, simplify -4 +(12-√32) 3+2√2 (b) The profit function in Kwacha per day for a small scale company is given by f(x) = -16x²+64x+190, where x is the number of products sold each day. Find the number of products (x) sold each day in order to maximize the profit, and find this maximum profit. -4 (√2+1)²

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A: To evaluate the composite functions at given points

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