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21 February, 18:22

Which is the inverse of the function f (x) = 1/3x+5

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Answers (2)
  1. 21 February, 22:00
    0
    y=3 (x-5)
  2. 21 February, 22:03
    0
    f-¹ (x) = (1-5x) / 3x.

    Step-by-step explanation:

    f (x) = 1 / (3x+5)

    Let y=1 / (3x+5)

    Exchanging x and y,

    x=1 / (3y+5)

    3y+1=1/x

    3y=1/x-5

    3y = (1-5x) / x

    y = (1-5x) / 3x

    f-¹ (x) = (1-5x) / 3x.
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