Mathematics

11th -

12thgrade

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Inverses of Functions

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10 questions

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  • Multiple Choice
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    15 minutes
    1 pt
    Find the inverse of f(x) = -4x - 12
    f-1(x) = 4x - 3
    f-1(x) = -1/4x - 3
    f-1(x) = 1/4x + 3
    f-1(x) = -4x - 3
  • Multiple Choice
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    15 minutes
    1 pt
    Find the inverse of
    f(x) = 1/4x - 7
    f-1(x) = 4x + 7
    f-1(x) = -4x + 28
    f-1(x) = -4x - 7
    f-1(x) = 4x + 28
  • Multiple Choice
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    15 minutes
    1 pt
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    Was the inverse function found correctly?

    No, should be f1(x)f^{-1}\left(x\right) = x-43\frac{\text{x-4}}{\text{3}}

    Yes

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