Identifying Functions

Identifying Functions

Assessment

Flashcard

Mathematics

8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

2.

FLASHCARD QUESTION

Front

What does it mean for a mapping to represent a function?

Back

A mapping represents a function if each input is paired with exactly one output.

3.

FLASHCARD QUESTION

Front

How can you tell if a set of ordered pairs represents a function?

Back

A set of ordered pairs represents a function if no two pairs have the same first element with different second elements.

4.

FLASHCARD QUESTION

Front

What is the vertical line test?

Back

The vertical line test is a method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

5.

FLASHCARD QUESTION

Front

Does the following mapping represent a function? {(1, 2), (1, 3)}

Back

No, because the input '1' is paired with two different outputs.

6.

FLASHCARD QUESTION

Front

Does the following table represent a function? Input: 1, 2, 3 Output: 4, 4, 5

Back

Yes, because each input has exactly one output.

7.

FLASHCARD QUESTION

Front

Does the following graph represent a function? (0, 1), (1, 2), (2, 3), (3, 4)

Back

Yes, because each x-value is unique.

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