Question: Give a convincing argument that the following function is not continuous at any real number. f(x) = [1, 10, if x is rational if x

Give a convincing argument that the following function is not continuous at any real number.

f(x) = [1, 10, if x is rational if x is irrational

f(x) = [1, 10, if x is rational if x is irrational

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