16% is the downpayment forn9,000
1760 yards = 1 mile
Therefore we divide 1760 / 440 = 4 laps to run to complete a mile.
So the x intercepts are going to be at the places where y = 0 so you can just read that off and get (-2,0) and (3,0). Hope this helps :)
The answer to the question is d