D(t) = -4t^3 + 40t^2 + 500t = 4088
4t^3 - 40t^2 - 500t + 4088 = 0
t = 7
Therefore, the plane has flown 4088 km 7 hours after it took off.
Answer:
y = 3x + 1
Step-by-step explanation:
y = 3x + b
-5 = 3(-2) + b
-5 = -6 + b
1 = b
Answer:
Year 1: 636 (+$36)
Year 2: 674.16 (+$38.16)
Year 3: 714.61 (+$40.45)
Year 4: 757.49 (+$42.88)
Year 5: 802.94 (+$45.45)
Step-by-step explanation:
