(a) Suppose y = f(x) is an unknown function but that you know that f(4) = 11 and f'(4) = -0.18. Explain how you would estimate f(4.2), and then do it. Show all work. (b) Suppose that you also know f"(4) > 0. Does this suggest your answer to part a) is an over or under estimate? Explain. (Hint: draw a couple pictures as part of your thinking process.)

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Q: ty very much

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