Does this graph represent a function? What is the domain and range of the graph? Ty
S
4
3
2
1
-S4
-3 -2 -1
1
2
3
4 S
X
-3
4
-5 +

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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 - 2xdesmond 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