Question

How do you write `y=abs(x+2)` as a piecewise function?

Answer 1

`y={(x+2," if "x>=-2),(-(x+2)," if " x<-2):}`

Explanation:

`abs("expression") = "expression, proved the expression has a value ">=0`

`abs("expression")= -"expression, when the expression has a value " < 0`