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28 September, 17:35

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

function notation?

Fly) = -

f (x) = - 3x + 4

f (x) =

FCV) = - 3y + 4

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Answers (1)
  1. 28 September, 18:48
    0
    f (x) = - 3x + 4

    Step-by-step explanation:

    Step 1: Write it in slope-intercept form

    9x + 3y = 12

    3y = - 9x + 12

    y = - 3x + 4

    Step 2: Replace y with f (x)

    f (x) = - 3x + 4

    In math, function f (x) is equal to the variable y.
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