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Pre-Calculus Practice Problem 89

# Pre-Calculus Practice Problem 89 - • Education has a...

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Unit 3, Activity 1, The Four Representations of Exponential Functions with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 87 Comprehensive Curriculum, Revised 2008 5. In a recent newspaper article the 2003-04 jobs report for the Baton Rouge metro area was given. Job changes by industry sector (since August 2003) were as follows: Leisure & hospitality up 4.5% Education & health services down 2% Construction down 6% Financial up 3.6% For each, what is the growth/decay factor and what is the growth/decay rate? Leisure has a growth factor of 1.045 and a growth rate of 4.5%.
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Unformatted text preview: • Education has a decay factor of .98 with a decay rate of 2%. • Construction has a decay factor of .94 with a decay rate of 6%. • Financial has a growth factor of 1.036 and a growth rate of 3.6%. 6. Find a possible formula for the function represented by the data below and explain what each of the values in the formula mean: x 0 1 2 3 f ( x ) 4.30 6.02 8.43 11.80 f(x) = 4.3(1.4) x 4.3 is the initial amount A o ; 1.4 is the growth factor with the growth rate being 40% ....
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