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20 July, 04:08

Given the equation f (x) = a (b) x where the initial value is 40 and the growth rate is 20% what is f (4)

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  1. 20 July, 06:07
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    f (4) = 82.944

    Step-by-step explanation:

    f (x) = a (b) ^x

    a is the initial value and b is 1 + growth rate in decimal form

    a = 40 and

    b = 1 +.2 = 1.2

    f (x) = 40 (1.2) ^x

    f (4) means let x = 4

    f (4) = 40 (1.2) ^4

    f (4) = 82.944
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