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Inverse function

Quiz by Faith Longgayan

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13 questions
Show answers
  • Q1
    What is the inverse function of f(x) = 2x + 5?
    f⁻¹(x) = x / 2 + 5
    f⁻¹(x) = 5x - 2
    f⁻¹(x) = (x - 5) / 2
    f⁻¹(x) = (x + 5) / 2
    30s
  • Q2
    Which of the following is the inverse function of g(x) = 4x^3 + 2?
    g⁻¹(x) = ((x + 2) / 4)^(1/3)
    g⁻¹(x) = (2x - 4)^(1/3)
    g⁻¹(x) = (4x + 2)^(1/3)
    g⁻¹(x) = ((x - 2) / 4)^(1/3)
    g⁻¹(x) = ((x - 2) / 4)^3
    30s
  • Q3
    What is the inverse function of f(x) = 4x - 3?
    D. f⁻¹(x) = 3x - 4
    A. f⁻¹(x) = (x + 4) / 3
    B. f⁻¹(x) = (x + 3) / 4
    C. f⁻¹(x) = 4x + 3
    E. f⁻¹(x) = (x -3) / 4
    30s
  • Q4
    What is the inverse function of f(x) = 2x - 4?
    f⁻¹(x) = (x + 2) / 4
    f⁻¹(x) = 2x + 4
    f⁻¹(x) = (x - 4) / 2
    f⁻¹(x) = 4x + 2
    f⁻¹(x) = (x + 4) / 2
    30s
  • Q5
    What is the inverse function of h(x) = 5 / (x - 3)?
    h⁻¹(x) = 5 / x + 3
    h⁻¹(x) = 5 / (3 - x)
    h⁻¹(x) = 5x + 3
    h⁻¹(x) = 5x - 3
    h⁻¹(x) = 5 / (x + 3)
    30s
  • Q6
    What is the inverse function of f(x) = 3 - 2x?
    f⁻¹(x) = 2x - 3
    f⁻¹(x) = (3 - x) / 2
    f⁻¹(x) = (x + 3) / 2
    f⁻¹(x) = 2 - 3x
    f⁻¹(x) = (x - 3) / 2
    30s
  • Q7
    What is the inverse function of g(x) = √(x - 2)?
    g⁻¹(x) = √(2 - x)
    g⁻¹(x) = √(x + 2)
    g⁻¹(x) = x^2 + 2
    g⁻¹(x) = (x - 2)^2
    g⁻¹(x) = x - 2
    30s
  • Q8
    What is the inverse function of h(x) = 7x - 9?
    h⁻¹(x) = (x - 9) / 7
    h⁻¹(x) = 9x + 7
    h⁻¹(x) = (x + 7) / 9
    h⁻¹(x) = 7x + 9
    h⁻¹(x) = (x + 9) / 7
    30s
  • Q9
    The following are the behaviors of a graph of a one-to-one function and its inverse function, EXCEPT.
    Parallel
    Parabola
    Intersecting
    Symmetric
    30s
  • Q10
    Which of the following terms do not deals with inverse?
    Switch
    reverse
    Interchange
    Alternate
    30s
  • Q11
    Which of the following equations is used to test if the graph of a one-to-one function and its inverse function?
    f(x) = x+y
    f(x) = x
    f(x) = y
    y = x
    30s
  • Q12
    If the function is one-to-one and has x and y-values of (-2, 7), what is its inverse values?
    (7, 2)
    (-7,2)
    (-2, 7)
    (7,-2)
    30s
  • Q13
    Which term was used to represent the x and y-values of the functions.
    a. Coordinating values
    d. True values
    b. Intersecting values
    c. Table of values
    30s

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