Hi, everybody! I'm just taking my first integral calculus course, so I'm having a little trouble with some things. I hope you can guide me to prove this: "If f is a decreasing function on [a, b], prove that f is integrable." Thanks!
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Originally Posted by Cesc1 "If f is a decreasing function on [a, b], prove that f is integrable." A decreasing function on then the set of discontinuities is countable. That means the function is Riemann integrable.
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