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If -2  < x < 2 and -5 < y < 5, what are all possible values of y - x?

 Dec 3, 2019
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The smaller end of the range of possible values of   y - x   =   -5 - 2   =   -7

 

The bigger end of the range of possible value of     y - x    =   5 - -2   =   7

 

y - x  can be anything between  -7  and  7  by starting at one end and increasing or decreasing either  y  or  x

 

-7  <  y - x  <  7

 Dec 3, 2019

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