5.1: Is This a Function? (Mapping Diagrams)

5.1: Is This a Function? (Mapping Diagrams)

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Mathematics

8th Grade

Hard

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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 (y) for every input (x).

2.

FLASHCARD QUESTION

Front

True or False: A function can have multiple outputs for a single input.

Back

False

3.

FLASHCARD QUESTION

Front

What is a mapping diagram?

Back

A mapping diagram visually represents the relationship between inputs and outputs in a function.

4.

FLASHCARD QUESTION

Front

Is the following relation a function? (x: 1, 2, 3; y: 4, 5, 5)

Back

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

5.

FLASHCARD QUESTION

Front

Is the following relation a function? (x: 1, 2, 2; y: 3, 4, 5)

Back

No, because the x-value 2 has two y-values (4 and 5) paired with it.

6.

FLASHCARD QUESTION

Front

What does it mean for a relation to be not a function?

Back

A relation is not a function if at least one input (x) is associated with more than one output (y).

7.

FLASHCARD QUESTION

Front

Function or Relation: (x: 1, 2, 3; y: 2, 2, 2)

Back

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

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