QUESTION 4 Evaluate the expression. (f. g)(-2) when f(x) = -2x + 3 and g(x) = -8x² + 5x + 6. O-15 O-21 75 O-351 QUESTION 5 Solve the problem. Let H(x) = 5x2 - 10x. Find x such that (x,-5) is on the graph of H(x). O x = ±1 x = -1 Ono solution O x = 1

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