The speed (mph) and the stopping distance (ft) of a travelling car are given as follows. Speed 30 40 50 60 Distance 20 54 90 138 206 70 292 396 Fit a parabolic curve: D = a + b + cS². Estimate the value of D when S-45 miles per hr.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 70E
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The speed (mph) and the stopping distance (ft) of a travelling car are given as follows.
Speed
30 40
50
60
70
Distance
54 90 138 206
20
292
396
Fit a parabolic curve: D = a + b + cS². Estimate the value of D when S-45 miles per hr.
Transcribed Image Text:The speed (mph) and the stopping distance (ft) of a travelling car are given as follows. Speed 30 40 50 60 70 Distance 54 90 138 206 20 292 396 Fit a parabolic curve: D = a + b + cS². Estimate the value of D when S-45 miles per hr.
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