1 State the maximum number of turning points of the function f(x) = 4x7 + 9x5 - 3x4 - 5. 2 State the leading coefficient of f(x) = -x+3x² - 2x³ +5. 3 State the degree of the polynomial function f(x) = (x - 1)(x+3)(x - 2)².

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A: Answer: y=-12x2

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A: Explanation of the answer is as follows

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