Domain and Range

Domain and Range

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of a function?

Back

A function is a relation where each input (x-value) is paired with exactly one output (y-value).

2.

FLASHCARD QUESTION

Front

What is the domain of a relation?

Back

The domain is the set of all possible input values (x-values) for a function.

3.

FLASHCARD QUESTION

Front

What is the range of a relation?

Back

The range is the set of all possible output values (y-values) for a function.

4.

FLASHCARD QUESTION

Front

Is the relation {(1, 2), (2, 3), (1, 4)} a function?

Back

No, because the x-value 1 is paired with two different y-values (2 and 4).

5.

FLASHCARD QUESTION

Front

What is the domain of the relation {(3, 5), (4, 6), (5, 7)}?

Back

The domain is {3, 4, 5}.

6.

FLASHCARD QUESTION

Front

What is the range of the relation {(1, 2), (2, 3), (3, 4)}?

Back

The range is {2, 3, 4}.

7.

FLASHCARD QUESTION

Front

If a function has a domain of {1, 2, 3}, what can you say about its range?

Back

The range can vary, but it must have a unique output for each input in the domain.

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