Pre-Calculus Practice Problem 83

Pre-Calculus Practice Problem 83 - 1992 27.0 1993 32.4 1994...

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Unit 3, Activity 1, The Four Representations of Exponential Functions Blackline Masters, Advanced Math-Pre-Calculus Page 81 Comprehensive Curriculum, Revised 2008 1. Growth is called exponential when there is a constant, called the growth factor, such that during each unit time interval the amount present is multiplied by this factor. Use this fact to decide if each of the situations below is represented by an exponential function. a) To attract new customers a construction company published its pre-tax profit figures for the previous ten years. Year Profit before Tax (millions of dollars)
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Unformatted text preview: 1992 27.0 1993 32.4 1994 38.9 1995 46.7 1996 56.0 1997 67.2 1998 80.6 1999 96.7 2000 116.1 2001 139.3 Was the growth of profits exponential? How do you know? If exponential, what is the growth factor? b) A second company also published its pre-tax profit figures for the previous ten years. Its results are shown in the table below. Year Profit before Tax (millions of dollars) 1992 12.6 1993 13.1 1994 14.1 1995 16.2 1996 20.0 1997 29.6 1998 42.7 1999 55.2 2000 71.5 2001 90.4 Was the growth of profits for this company exponential? How do you know? If exponential what is the growth factor?...
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This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.

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