Answer:
[tex](-infinity,3)[/tex], D
Step-by-step explanation:
3 if x is greater than or equal to 1 is nothing. That leaves us with [tex]h(x)=2x+1[/tex] if x<1. If you substitute in 1 for x, you get 3, but of course that isn't possible, so the range is [tex](-infinity,3)[/tex], which is D.