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21 July, 10:35

Suppose an investment of $3,800 doubles in value every decade. The function f (x) = 3,800·2x f (x) = 3, 800 · 2 x gives the value of the investment after x decades. How much is the investment worth after 2 decades?

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  1. 21 July, 10:54
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    doubles every decade

    basically

    for x decades

    the amount is multiplied by 2^x

    so

    2 decades

    2^2

    3800*2^2

    3800*4

    15200
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