Write y=4|x+5| as a piecewise function.
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y = 4 |x + 5|
So,
y = 4(x + 5) \: if \: x > - 5 \\ y = - 4(x + 5)if \: x < - 5
This is because, modulus takes only the positive version of the term inside it. So as if x is smaller than -5 then it will constitute a negative value and to make it positive we need to multiply it with -1.
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