Question: (2) Show that the polynomial f (3:) : :r5 + 43:3 + 7.1: + 13 has exactly one real root. (You need to apply two

(2) Show that the polynomial f (3:) : :r5 + 43:3 + 7.1: + 13 has exactly one real root. (You need to apply two theorems, and for each of them you need to give a reason why the hypotheses hold. You also need to explain how the two theorems work together to give the desired conclusion.)

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