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Functions

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  • In the function y = x + 6, what is the input called?
    x
  • Find the output when x = 2 in y = 5x
    10
  • What do we call the value put into a function?
    Input
  • If the input is 7 in y = x - 2, what is the output?
    5
  • What is the range of a function?
    The set of output values
  • Find the input when y = 6 in y = x + 1
    5
  • If the input is 3 in y = 4x, what is the output?
    12
  • State the domain in the function y = 4x - 2
    x-values
  • What is the output in the function y = 2x + 3?
    y
  • In y = x + 2, if the domain is 1, 2, 3, what is the range?
    3, 4, 5
  • If the output is 13 in y = 3x + 1, what is the input?
    4
  • Find the input when y = 10 in y = 2x
    5
  • What is the domain of a function?
    The set of input values
  • Find the input when y = 9 in y = 2x + 1
    4
  • State the range in the function y = 4x - 2
    y-values
  • If the output is 14 in y = 2x, what is the input?
    7
  • Which values belong to the range of a function?
    Output values
  • What is the input in the function y = 2x + 3?
    x
  • Find the output when x = 5 in y = x - 1
    4
  • Find the output when x = 1 in y = x + 4
    5
  • Find the output when x = 0 in y = x + 7
    7
  • In the function y = x + 6, what is the output called?
    y
  • Find the output when x = 3 in y = 2x
    6
  • If the input is 6 in y = 2x + 1, what is the output?
    13
  • Find the input when y = 15 in y = 3x
    5
  • If the output is 11 in y = x + 5, what is the input?
    6
  • Find the input when y = 8 in y = x + 3
    5
  • Which values belong to the domain of a function?
    Input values
  • What do we call the answer from a function?
    Output
  • Find the output when x = 4 in y = 3x + 2
    14