Make a scatter plot of the data below.
Speed Stopping
(mph) distance (ft)
10 12.5
20
36.0
169.5
114.0
169.5
160 249.0
70325.5
Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest hundredths plac
a. y -0.06x2 +0.31x + 4
b. y --403x2 + 0.32x + 8.19
C. y = 0. 063 - 0312-4
d. y = 4.03x2 - 0.32x-8.19
Submitted
Answer is A

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.