10 You want to find a regression model that represents how many miles per gallon your car can do based on different speeds. The information for your car is shown in the table below. A) Find the cubic function of best fit. Miles per Miles per hour (x) gallon (y) 10 22 B Graph the scatter plot and the cubic function of best fit. 20 43 C) About how many miles per hour is ideal in order to get more miles per gallon? 30 46 40 48 Miles per gallon (MPG) 50 50 45 60 41 45 40 70 39 35 80 37

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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(10 You want to find a regression model that represents how many miles per gallon your car
can do based on different speeds. The information for your car is shown in the table below.
A) Find the cubic function of best fit.
Miles per
Miles per
hour (x)
gallon (y)
10
22
B) Graph the scatter plot and the cubic function of best fit.
20
43
C) About how many miles per hour is ideal in order to get
more miles per gallon?
30
46
40
48
A Miles per gallon (MPG)
50
50
45
60
41
45
40
70
39
35
80
37
30
25
20
15
10
10
20
30
40 50 60
70
80 90
Miles per hour (MPH)
Transcribed Image Text:(10 You want to find a regression model that represents how many miles per gallon your car can do based on different speeds. The information for your car is shown in the table below. A) Find the cubic function of best fit. Miles per Miles per hour (x) gallon (y) 10 22 B) Graph the scatter plot and the cubic function of best fit. 20 43 C) About how many miles per hour is ideal in order to get more miles per gallon? 30 46 40 48 A Miles per gallon (MPG) 50 50 45 60 41 45 40 70 39 35 80 37 30 25 20 15 10 10 20 30 40 50 60 70 80 90 Miles per hour (MPH)
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