algebra
posted by kevin .
a bump on a dvd needs to be between 0.45 and 0.55 micron wide and between 0.95 and 0.99 micron high
write two absolute value inequalities describing the width (x) and height (y) of the bump
graph each inequality on separate number lines

algebra 
Steve
The distance of the max/min from the midpoint must be no more than half the range:
x.5 <= .05
y.975 <= .025
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