100 points
Simplify: 3y + 6 + 6y - 4
A. 9y+10
B. 9y+2
C. 19y

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)