X+7=5x2 what's the answer

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)

Desperate ! i really need this doing so much xxxx

Convert 40.64 centimeters to inches. [type your answer as a number.] 1 inch ≈ 2.54 centimeters