Answer:
A. {-1, 2, 7}
Step-by-step explanation:
Plug in the values for x to the function
[tex]g(2)=-2^2-2\\g(2)=2\\\\g(-1)=-1^2-2\\g(-1)=-1\\\\g(1)=1^1-2\\g(1)=-1\\\\g(3)=3^2-2\\g(3)=7\\[/tex]
