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You have been given the graph of f'(x), the first derivative. Use it to answer the questions about the original function. Use interval notation and the word "infinity" where needed, the union symbol between intervals, and commas between x-values. Do not include spaces. The original function will be increasing on The original function will have a local maximum at x= The original function will have a local minimum at x= The original function will be concave up on The original function will have inflection points at x=