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x
f(x)
g(x)
h(x)
k(x)
3
28.8
4.39
10.80
28.8
3.5
39.2
5.01
12.96
39.2
4
51.2
5.71
15.55
49.6
4.5
64.8
6.51
18.66
60.0
5
80.0
7.43
22.39
70.4
Year
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
Employees
159
169
176
174
168
166
169
183
212
237
(thousands)
Quarter
0
1
2
3
4
5
6
7
8
911 systems
3982
3935
3830
3565
3020
2167
1240
590
250
Section 1.5
(cont.)
2) Data from 4 functions are shown in the table.
One
function is linear, one is exponential, one is quadratic, and
one is cubic.
Determine which function is which and use
regression to find the appropriate model.
3) The table shows the number of people (in thousands)
employed by McDonald’s Corporation from 1987 through
1996. (Source:
Hoover’s Company Profiles
, 1997)
a) Examine a scatter plot of the data and decide whether the data should be modeled by a
quadratic or cubic equation?
Find the model.
b) What does the model estimate as the number of McDonald’s employees in 1997?
c) Discuss why you feel the model would or would not be a good estimator of the number of
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This note was uploaded on 05/28/2011 for the course MAC 2233 taught by Professor Royer during the Fall '08 term at FIU.
 Fall '08
 Royer
 Calculus

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