Mathematics

11th

grade

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Inverse Functions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    If the equation of f(x) goes through (1, 4) and (4, 6), what points does f-1(x) go through?
    (1, 4) and (4, 6)
    (-4, -1) and (-6, -4)
    (-1, -4) and (-4, -6)
    (4, 1) and (6, 4)
  • 2. Multiple Choice
    1 minute
    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
  • 3. Multiple Choice
    15 minutes
    1 pt
    Which expression represents g(f(x)) if          f(x) = 2x - 8
    and
    g(x) = 4x
    8x - 32
    8x2 - 32x
    8x - 8
    6x - 8
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