If a set has three elements, how many subsets does it have

Percent increase and decrease. original number: 45 new number: 18

Solve 17= -13 - 8x and show your work.

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)