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25 November, 15:13

The function rule of a certain function is y = - 3 x + 1. If the input is 7, what is the output?

-22

-21

-20

-24

+4
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  1. 25 November, 15:18
    0
    So i'm guessing that x is the input and y is the output ...

    -3x + 1 = y

    (-3 * 7) + 1 = y

    -21 + 1 = y

    -20 = y

    the output is - 20
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