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4 October, 12:12

Identify the initial amount a and the growth factor b in the exponential function.

f (x) = 620 - 7.8^x

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  1. 4 October, 12:37
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    Step-by-step explanation:

    An exponential function has the form:

    y = a · b^x

    Are you sure you copied the problem correctly? Perhaps instead of minus, you meant multiplication:

    f (x) = 620 · 7.8^x

    If so, then a = 620 and b = 7.8.
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