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19 February, 13:40

The zero of F - 1 (x) in F (x) = x + 3 is

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Answers (1)
  1. 19 February, 14:21
    0
    We have

    y = F (x) = x + 3

    so

    x = y - 3

    so

    F⁻¹ (y) = y - 3

    which we can write

    F⁻¹ (x) = x - 3

    We solve

    0 = F⁻¹ (x) = x - 3

    x = 3

    Answer: 3
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