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8 March, 10:42

Given f (x) shown below complete the equation for the inverse of f (x) = x-1

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  1. 8 March, 11:09
    0
    Replace f (x) with y

    switch x and y

    solve for y

    replace y with f⁻¹ (x)

    f (x) = x-1

    y=x-1

    x=y-1

    x+1=y

    x+1=f⁻¹ (x)

    f⁻¹ (x) = x+1
  2. 8 March, 11:21
    0
    1. substitute y for f (x) y=8x

    2. switch x and y x=8y

    3. solve for y y=x/8

    4. plug f (x) ^-1 back in for y f (x) ^ (-1) = x/8
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