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

 Feb 26, 2020
 #1
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+5

Looks like there are 6:

 

Edit:  Corrected.  Many thanks to heureka for alerting me to my error.

 Feb 26, 2020
edited by Alan  Feb 26, 2020

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