A myopenmath.com The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 85.851 108.426 6. 141.781 9. 169.256 12 202.297 15 222.266

College Algebra
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ISBN:9781337282291
Author:Ron Larson
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Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 1ECP: The ordered pairs below give the median sales prices y (in thousands of dollars) of new homes sold...
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00
I
T
F.
A myopenmath.com
The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995.
Year
Retail Sales
85.851
3
108.426
141.781
9.
6.
12
169.256
202.297
15
222.266
Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is
F(t) =
9.44t + 84.182.
220-
210-
200-
060-
180-
170-
160-
150
140-
130-
120-
110
00-
90-
804
12
Use the above scatter plot to decide whether the linear model fits the data well.
The function is a good model for the data.
The function is not a good model for the data
Estimate the retails sales in the U. S. in 2017. 204.747 X billions of dollars.
Use the model to predict the year that corresponds to retails sales of $250 billion. 2444.18 X
&
#
$
i
4.
3.
R.
tab
G
A
lock
W N g ^ Ɔ
shift
Transcribed Image Text:00 I T F. A myopenmath.com The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 85.851 3 108.426 141.781 9. 6. 12 169.256 202.297 15 222.266 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for the data is F(t) = 9.44t + 84.182. 220- 210- 200- 060- 180- 170- 160- 150 140- 130- 120- 110 00- 90- 804 12 Use the above scatter plot to decide whether the linear model fits the data well. The function is a good model for the data. The function is not a good model for the data Estimate the retails sales in the U. S. in 2017. 204.747 X billions of dollars. Use the model to predict the year that corresponds to retails sales of $250 billion. 2444.18 X & # $ i 4. 3. R. tab G A lock W N g ^ Ɔ shift
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