Relations and Functions: Domain and Range
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Questions and Answers

Which of the following options correctly represents the domain of a function?

  • z-values
  • y-values
  • t-values
  • x-values (correct)
  • Which of the following options correctly represents the range of a function?

  • t-values
  • z-values
  • x-values
  • y-values (correct)
  • What is the solution to the given inequality in interval notation?

    [-4,∞)

    What is the solution to the given inequality in interval notation?

    <p>(-∞,0)</p> Signup and view all the answers

    What is the solution to the given inequality in interval notation?

    <p>(0,6)</p> Signup and view all the answers

    What is the parent function of the given graph and how does its domain and range compare?

    <p>The domain and range are infinity.</p> Signup and view all the answers

    Which graph represents a function with a domain of [0, ∞) and a range of [0, ∞)?

    <p>Graph D</p> Signup and view all the answers

    Study Notes

    Domain and Range Basics

    • The domain of a function comprises all possible x-values.
    • The range consists of all possible y-values.

    Interval Notation

    • Example of an interval notation solution:
      • [-4, ∞) indicates that the domain starts from -4 and extends to positive infinity, including -4.
      • (-∞, 0) shows that the solution includes all values less than 0, excluding 0 itself.
      • (0, 6) represents all values between 0 and 6, excluding both endpoints.

    Parent Functions

    • The parent function is the simplest form of a function in a family of functions.
    • The domain and range of a parent function can be characterized by infinity, indicating it has no restrictions in either direction for both domain and range.
    • An analysis is needed to compare the domain and range of the parent function with that of a given graph to identify similarities and differences.

    Identifying Functions

    • A function can be represented graphically, and certain characteristics, such as its domain and range, can be used to validate its classification.
    • Graph D represents a function with a domain of [0, ∞) and a range of [0, ∞), showing it starts from zero and includes all positive values.

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    Description

    Test your understanding of the domain and range in functions with this flashcard quiz. Each card focuses on key concepts such as x-values, y-values, and interval notation. Challenge yourself and reinforce your knowledge of these fundamental mathematical principles.

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