{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Pre-Calculus Practice Problem 86

# Pre-Calculus Practice Problem 86 - 1999 96.7 2000 116.1...

This preview shows page 1. Sign up to view the full content.

Unit 3, Activity 1, The Four Representations of Exponential Functions with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 84 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. Students should 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) 1992 27.0 1993 32.4 1994 38.9 1995 46.7 1996 56.0 1997 67.2 1998
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 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? yes; 2 . 1 4 . 32 9 . 38 27 4 . 32 = = the growth factor is 1.2 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? The growth of the second company is not exponential. There is not a constant growth factor....
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online