2233CE3

# 2233CE3 - Section 1.5 (cont.) 2) Data from 4 functions are...

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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.

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