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19 May, 08:56

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

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  1. 19 May, 11:49
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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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