Function & Domain and Range

Function & Domain and Range

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 where each input (x-value) has exactly one output (y-value).

2.

FLASHCARD QUESTION

Front

What is the domain of a function?

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 function?

Back

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

4.

FLASHCARD QUESTION

Front

How can you determine if a relation is a function?

Back

A relation is a function if no x-value is paired with more than one y-value.

5.

FLASHCARD QUESTION

Front

Given the points (3, 5), (4, 9), (2, 5), which ordered pair can be added to make it a function?

Back

(1, 9) can be added because it does not repeat any x-value.

6.

FLASHCARD QUESTION

Front

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

Back

No, because the x-value 1 has two different y-values (2 and 3).

7.

FLASHCARD QUESTION

Front

Is the relation {(2, 3), (3, 4), (4, 5)} a function?

Back

Yes, because each x-value has only one y-value.

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