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14 November, 03:49

Find the inverse of y=7x-10. Is the inverse a function?

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Answers (2)
  1. 14 November, 05:13
    0
    (x+7) / 7 = y

    Step-by-step explanation:

    The first step is to switch the variables

    x=7y-10

    Add the 10 to both sides

    x=7y-10

    +10 + 10

    x+10=7y

    Divide both sides by 7

    (x+7) / 7 = y
  2. 14 November, 07:19
    0
    the inverse function is (x + 10) / 7

    Step-by-step explanation:

    y=7x-10

    7x = y + 10

    x = (y + 10) / 7

    therefore the inverse of the given function is (y + 10) / 7
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