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1 August, 15:51

Consider the function represented by 9x + 3y = 12 with x as the independent variable. How can this function be written using

notation?

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  1. 1 August, 16:07
    0
    f (x) = - 3x + 4

    Step-by-step explanation:

    Given

    9x + 3y = 12

    Rearrange making y the subject by subtracting 9x from both sides

    3y = - 9x + 12 (divide all terms by 3)

    y = - 3x + 4, thus

    f (x) = - 3x + 4 ← in functional notation
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