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28 August, 23:26

The bacteria in an old piece of cheese is growing at a rate that can be modeled by y = 280 • 2x. Determine which number represents the growth rate.

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  1. 29 August, 00:45
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    Y = 280 • 2x

    You have to Isolate the variable

    y = 280 • 2 x

    y = 280 • 2 x/2

    isolate X by dividing by 2

    Y = 280 • x

    Now, divide 280 / 2. You do this because the answer needs to be the sam eon both sides.

    280 / 2 is 140.

    X = 140
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