Relations and Functions

1. 1. Given the diagram, what type of relation is shown in the illustration?

• A. One-to-One correspondence

• B. One-to-Many correspondence

• C. Many-to-One correspondence

• D. Undetermined

2. 2. Which of the following sets represent a function?

• A. {1, 2, 3, 4}

• B. {(1,2), (1,3), (2,2)}

• C. {(1,2), (2,3),(3,4)}

• D. {(-2,1), (2,-2), (-2,-2)}

3. 3. Using the mapping diagram, which of the following statements is not true?

• A. The set of the domain is {1, 3, 5}.

• B. The set of the range is {-2, -1, 0, 1, 2}

• C. The domain 5 is mapped to two range 0 and 2.

• D. The relation is a function.

4. 4. Which of the following is a function?

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5. 5. Which of the following statements is true?

• A. All relations are functions

• B. All functions are relations.

• C. Relations and functions are the same

• D. None of the above