STT Let f(x)=√2 cos x and let a = 1 parts a-d Find the linear approximation L for the function f at the point a. L(x)= Graph C. Based on the graph, state whether linear approximations STI to f near a are underestimates or overestimates -Linear approximations to f(x) = 7√2 cos x mear a T because the graph of L lies. are the graph of f near a Compute f"(a) to confirm the conclusion in part (c) -The value of f"(x) at a =_ STT is f" ST 4 which is concave Part (c) O. This means that f is Confirming the conclusion in

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