Question The graph of y = f'(x), where f is a cubic function, is sketched below. -4

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The graph of y = f'(x), where f is a cubic function, is sketched below. -4 10.2 /y = f'(x) Use the graph to answer the following questions: 10.1 0 1 For which values of x is the graph of y = f'(x) decreasing? At which value of x does the graph of f have a local minimum? Give reasons for your answer. The graph of y = f'(x), where f is a cubic function, is sketched below. -4 10.2 /y = f'(x) Use the graph to answer the following questions: 10.1 0 1 For which values of x is the graph of y = f'(x) decreasing? At which value of x does the graph of f have a local minimum? Give reasons for your answer.