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How many numbers are in the range of the function $f(x) = \frac{\lceil 5x - 5\lfloor x \rfloor \rceil}5$?

 Dec 21, 2020
 #1
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There are 10 numbers in the range: 0, 1/10, 2/10, 3/10, ..., 9/10.

 Dec 22, 2020
 #2
avatar+32020 
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I think there are 6 such values

 Dec 22, 2020

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