Algrbra

Find F-1(x)
F(x) =(x+2)2-5, x≥-2

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  1. I will assume you meant to type

    f(x) = (x+2)^2 - 5 or y = (x+2)^2 - 5

    inverse: x = (y+2)^2 - 5
    solving this for y:

    (y+2)^2 = x+5
    y+2 = √(x+5)

    y = -2 ± √(x+5)

    f^-1 (x) = -2 + √(x+5) or -2 - √(x+5)

    notice the inverse is not a function

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