Question: 4. Let a R be a continuous function. Prove that the image f([a, b]) = {re R | r = f(x)for some x E [a,

4. Let a R be a continuous function. Prove that the

image f([a, b]) = {re R | r = f(x)for some x

4. Let a R be a continuous function. Prove that the image f([a, b]) = {re R | r = f(x)for some x E [a, b]} is also a closed interval

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