Question: Use a graph to explain why b a kf (x) dx = k b a f (x) dx, if f is integrable on

Use a graph to explain why ∫ba kf (x) dx = k ∫ba f (x) dx, if f is integrable on [a, b] and k is a constant.

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ANSWER The graph of kfx is just the graph of fx vertically stretched or c... View full answer

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