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20 October, 05:49

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

A (x) = 30 x 8.3 ^x

680, 4.3x

4.3, 680

680, 4.3

4.3x, 680

+2
Answers (1)
  1. 20 October, 08:15
    0
    Given the equation A (x) = 30 x 8.3 ^x, we can get the initial amount of A when x is equal to zero. Therefore:

    A (0) = 30 * 8.3^0

    A (0) = 30

    In this case the equation grows by 8.3 times as x increases. Therefore the growth factor is 8.3.

    Answers:

    initial amount = 30

    growth factor = 8.3

    The answers are not in the given choices. I believe you are giving the wrong equation. If the correct equation here is:

    A (x) = 680 x 4.3 ^x

    Then the answers are:

    initial amount = 680

    growth factor = 4.3

    The answers are now in the choices given.
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