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13 January, 00:19

If g (x) = 3x - 5, then g - 1 (x) =

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  1. 13 January, 00:47
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    G (x) = 3x - 5

    let g (x) = y

    y = 3x - 5

    y + 5 = 3x

    3x = y + 5

    x = (y + 5) / 3

    From y = g (x), x = g⁻¹ (y)

    x = (y + 5) / 3

    g⁻¹ (y) = (y + 5) / 3

    g⁻¹ (x) = (x + 5) / 3
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