Answer:
7a + 5
Step-by-step explanation:
Distribute using PEMDAS.
I guess so 35 ft or more than it
Answer:
992,016
Step-by-step explanation:

I think the last two are correct.
Hope it helps
Not a function because of the vertical line test.
Domain is [-2,∞] since the left most point is -2 and the right is unbounded.
Range is (-∞,∞) since it is not bounded in terms of y.