Questlon 2 of 13 Which of the following quadratic regression equations best fits the data
shown below?
23
4
-4
1
x
3 2 10
4
8
20
44 60
56 30 15 3
O A. y=1.68x2 +1.06x +4.96
O B. y = 2.06x2 +0.18x+ 2.18
O c. y = 5.02x2 +3.66x + 4.16
9
D. y = 3.48x2 + 1.22x+3.44

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.