The table below gives the results of an online calculator showing how far (in feet) a vehicle will travel while braking to a complete stop, given the initial velocity of the automobile. Braking Distance MPH Distance (feet)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 20PFA
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The table below gives the results of an online calculator showing how far (in feet) a vehicle will travel while braking to a
complete stop, given the initial velocity of the automobile.
Braking Distance
MPH
10
20
Need Help?
30
40
50
60
70
80
90
Distance (feet)
36
82
Read It
140
208
288
378
480
592
(a) Find a quadratic model for the stopping distance. (Round all numerical values to three decimal places.)
d(x) =
0.003x² +0.125x + 30.143
716
Road conditions
Size of the car's engine
Force with which the brakes are applied
Age of the driver
(b) What other factors besides the initial speed would affect the stopping distance? (Select all that apply.)
Conditions of the brakes and tires
X
feet
Transcribed Image Text:The table below gives the results of an online calculator showing how far (in feet) a vehicle will travel while braking to a complete stop, given the initial velocity of the automobile. Braking Distance MPH 10 20 Need Help? 30 40 50 60 70 80 90 Distance (feet) 36 82 Read It 140 208 288 378 480 592 (a) Find a quadratic model for the stopping distance. (Round all numerical values to three decimal places.) d(x) = 0.003x² +0.125x + 30.143 716 Road conditions Size of the car's engine Force with which the brakes are applied Age of the driver (b) What other factors besides the initial speed would affect the stopping distance? (Select all that apply.) Conditions of the brakes and tires X feet
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