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GenMath-First Quarter

Quiz by Daisy Beltran

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50 questions
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  • Q1
    Which of the following relations is a function?
    [(1,2), (3,4), (3,5)]
    [(1,1), (2,2), (2,3)]
    [(2,3), (3,4), (2,5)]
    [(1,2), (3,4), (5,6)]
    30s
  • Q2
    Which of the following relations is NOT a function?
    [(1,1), (2,2), (3,3), (4,4)]
    [(1,2), (2,4), (5,6), (3,8)]
    [(1,2), (2,4), (3,6), (3,9)]
    [(2,3), (4,5), (6,7), (8,9)]
    30s
  • Q3
    Which of the following is a function?
    y = 2x + 3
    y² = x
    y = |x|
    y = √x
    30s
  • Q4

    All functions are relation. The statement is ____________________.

    cannot be determined

    true

    partially correct

    false

    30s
  • Q5
    What is the value of f(3) for the function f(x) = 2x - 5?
    3
    -1
    1
    7
    30s
  • Q6
    What is the value of g(0) for the function g(x) = 3x^2 + 2x - 1?
    0
    -1
    1
    2
    30s
  • Q7
    What is the value of h(-2) for the function h(x) = 4x^3 - 2x + 5?
    25
    23
    -21
    -23
    30s
  • Q8
    What is the value of g(4) for the function g(x) = 2x^2 + 3x - 1?
    43
    -41
    -39
    45
    30s
  • Q9
    What is the value of f(2) for the function f(x) = x^2 + 5x - 3?
    11
    15
    -13
    13
    30s
  • Q10
    What is the value of g(3) for the function g(x) = 3x - 2?
    7
    9
    -7
    5
    30s
  • Q11
    What is the value of h(5) for the function h(x) = 2x + 3?
    8
    13
    -13
    18
    30s
  • Q12
    What is the value of g(-3) for the function g(x) = 3x + 2?
    5
    -3
    7
    -7
    30s
  • Q13
    Which of the following is true about the addition of functions in mathematics?
    The sum of two functions is a string
    The sum of two functions is also a function
    The sum of two functions is an error
    The sum of two functions is always a number
    30s
  • Q14
    What is the result of subtracting two functions in mathematics?
    A number
    An error
    A string
    A new function
    30s
  • Q15
    What is the difference between the functions f(x) = 5x + 4 and f(x) = 5x?
    4
    5
    1
    -1
    30s

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