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**Unformatted text preview: **MAC1105 Names:_______________________________ Group work 7 November 8, 2011 __________________________________________________________________________________ Exponential Functions in Terms of Percent Change In linear formulas, the amount of change stays constant, while in exponential formulas, the factor of change stays constant. The constant amount of change in linear formulas is called the slope , with a positive slope indicating increase and a negative slope indicating decrease. The constant factor of change in exponential formulas is called the growth/decay factor . A factor greater than 1 represents growth, and a factor between 0 and 1 represents decay. Another common way to describe exponential formulas is that the percent change stays constant. The difference between the growth/decay factor and the number 1 represents the rate at which the quantity will grow/decay. For example, a growth factor of a 1.25 = represents a 25% increase in whatever unit of time is relevant, and a decay factor of a 0.75 = represents a...

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