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viniterranova

  • 3 years ago

How Do you solve this equation 1<=abs(x)<=4?

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  1. anonymous
    • 3 years ago
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    solve 2 inequalities. if \(x>0\) then \(|x|=x\) and so the first one is \(1<x<4\) but if \(x<0\) then \(|x|=-x\) so solve \(1<-x<4\) for \(x\)

  2. anonymous
    • 3 years ago
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    change the signs and also the inequality, get \(-1>x>-4\) or \(-4<x<-1\)

  3. viniterranova
    • 3 years ago
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    Just this?

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