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Show work 2. Use the function f(x) = 2x3 + 5x2 - 4x - 7 to answer parts (a)-(c). (a) Use the Rational Zero Theorem

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2. Use the function f(x) = 2x3 + 5x2 - 4x - 7 to answer parts (a)-(c). (a) Use the Rational Zero Theorem to list all the possible rational zeros of the function. (b) Use Descartes' Rule of Signs to determine the number of possible positive and negative real zeros. (c) Find all the zeros

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