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23 February, 06:12

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

function notation?

FW) = - V+

f (x) = - 3x + 4

F (x) = - * x +

FLD = - 3y+4

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Answers (1)
  1. 23 February, 06:56
    0
    f (x) = - 3x + 4

    Step-by-step explanation:

    Note that y = f (x)

    Given

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

    Subtract 9x from both sides

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

    y = - 3x + 4, thus

    f (x) = - 3x + 4
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