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Problem Solving (PS) | Re: If x is a number between -5 and 15

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petrified17 wrote:

If x is a number between -5 and 15, which of following equations represents the range of x?

A) |x| - 5 < 10
B) |x| + 5 < 10
C) |x - 5| < 10
D) |x + 5| < 10
E) |x + 5| < 0



It is important to note that, unless mentioned in the prompt, one needs to assume that the endpoints (-5 and 15) are not inclusive. As in, -5<x<15 andNOT \(-5\leq{x}\leq{15}\)
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