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6 July, 16:50

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

function notation?

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Answers (1)
  1. 6 July, 18:15
    0
    f (x) = - 3x + 4

    Step-by-step explanation:

    Given

    9x + 3y = 12 ← rearrange making y the subject

    Subtract 9x from both sides

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

    y = - 3x + 4, or in functional notation as

    f (x) = - 3x + 4
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