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If $y>0$, find the range of all possible values of $y$ such that $\lceil{y}\rceil\cdot\lfloor{y}\rfloor=42$. Express your answer using interval notation.

 Feb 15, 2021
 #1
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Note that   6 * 7    = 42

 

So.....if   6 >  y >  7   then      ceiling (y)   * floor (y)    =  42   will be true

 

 

cool cool cool

 Feb 15, 2021

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