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20 November, 11:33

Write the inverse function for the function, ƒ (x) = x + 4. Then, find the value of ƒ - 1 (4).

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  1. 20 November, 12:46
    0
    Y=x+4

    X=y+4 (swap variables)

    X-4 (solve)

    Substitute

    F (4) = - 8
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