How do you find the domain and range for $y=absx$ ?

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Answer 1 · 2016-04-18T14:07:07

There are no values of $x$ that would make the function undefined.

So the domain is $x in (-oo,+oo)$

By the absolute bars, $y$ can never be negative, but it may be $0$
So the range is $y in [0,+oo)$

(the square bracket meaning "inclusive")

How do you find the domain and range for y=absxy=absx?