Question

Evaluate the function as indicated determine its domain and range.

Answer 1

-1<0 so use 2x+1 2(-1)+1=-2+1=-1 -
F(-1) means "Evaluate F(x) when x=-1" Since -1 is less than 0, this means that F(x) = 2x+1. This is because F(x) = 2x+1 when x < 0