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17 January, 16:51

What is the inverse for this linear function f (x) = - 2x+4?

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  1. 17 January, 17:14
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    f (x) = - 2x + 4

    y = - 2x + 4

    x = - 2y + 4

    x - 4 = 2y

    2 2

    ¹/₂x - 2 = y

    ¹/₂x - 2 = f⁻¹ (x)
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