I think it’s 4 this answer has to be 20 characters so i’m just add stuff so i can answer
They vegans disks the e 901826x over 17283
If you could attach a picture I would be more than happy to help.
First graph the normal graph y = -x
Then since y is less than -x, shade the whole graph below the line.
When functions are defined by more than one equation, they are called piecewise- defined functions.
Hope that helped