Question: A function f has f(5) = 20, f'(5) = 2, and f(x) < 0, for x 5. Which of the following are possible values

A function f has f(5) = 20, f'(5) = 2, and f"(x) < 0, for x ≥ 5. Which of the following are possible values for f(7) and which are impossible?
(a) 26 

(b) 24 

(c) 22

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