Identify the domain and range of the relation. Use a mapping diagram to determine whether the relation is a function. {(4, 7), (−3, 8), (5, −9), (−1, 8)}

(PLS DO THIS FAST OMGGG)

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x