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Functions - Using the Veritical Line Test and Mapping Diagrams

Worksheet (Algebra)

PDF: Algebra - functions, vertical line test, mapping diagrams

Functions - Using the Veritical Line Test and Mapping Diagrams Worksheet


This free algebra worksheet contains problems on functions and relations. Students must use mapping diagrams and the vertical line test to determine if a relation is a function. Students must also graph functions using a table and set of points. Coordinate planes are included for graphs.

Lesson: 

8. To determine if relations are functions by applying mapping diagrams and the vertical line test.

Subject: 

Number of Problems: 

15

Pages: 

6

Answer Key: 

No

Samples: 

Is each relation a function? Use a mapping diagram. Explain your answer.

1. {(4, 7), (9, 11), (4, 6), (10, 2)}

Identify which of the following graphs are NOT functions.

Answer(s): ___________________________. (there may be more than one!)

Is each relation a function? Use the vertical line test. Explain your answer.

4. {(2, 5), (-3, 5), (0, 5), (3, 5)}

6. The function to the right is called:

A. a quadratic function
B. a V function
C. an absolute value function
D. a linear function Graph each equation using a table and a graph.

9. f(x) = –2x – 1

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