Solved: A function discontinuous at every pointa. Use the
Chapter 2, Problem 61E(choose chapter or problem)
PROBLEM 61E
A function discontinuous at every point
a. Use the fact that every nonempty interval of real numbers contains both rational and irrational numbers to show that the function is discontinuous at every point.
b. Is ƒ right-continuous or left-continuous at any point?
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