f(x) dx, where f is continuous. State whether the following are true or false: 2. Let / = (a) I is the area between the graph and the x-axis over [2, 7]. (b) If f(x) > 0, then I is the area between the graph and the x-axis over [2, 7]. (c) If f(x) <0, then -I is the area between the graph of f and the x-axis over [2, 7]. =

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