Select the correct answer. Which expression is equivalent to the given expression?
3r2 + 5x – 7(x2 + 4)
OA 12 + 28
OB. 12 + 4
O C. -4x2 + 51 – 4
OD. -4x2 + 5x – 28

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)