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27 November, 23:38

in the newspaper, mr. shields read that the poplulation of jefferson County was decreasing at a rate of 20% every year. is this exponential or linear function? why? or why not?

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  1. 28 November, 00:02
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    Exponential.

    Step-by-step explanation:

    The population function looks like P = Po (1 - 0.20) ^t, or Po (0.80) ^t. Because the common ratio, 0.80, is between 0 and 1, this equation is appropriate for an exponentially decreasing decreating function.
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