The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?

A. f has a local minimum at x = 0; the local minimum is 1
B. f has a local minimum at x = -? and ?; the local minimum is -1
C. f has a local minimum at x = -?; the local minimum is -1
D. f has no local minimum


Answer: B

Mathematics

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A.

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