FUNCTIONS

FUNCTIONS

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

Created by

Wayground Content

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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 does it mean if a relation is not a function?

Back

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

3.

FLASHCARD QUESTION

Front

Identify a function from the following pairs: (9,5) (10,5) (9,-5) (10,-5)

Back

This is not a function because the x-value 9 has two different y-values (5 and -5).

4.

FLASHCARD QUESTION

Front

Identify a function from the following pairs: (6,-5) (7,-3) (8,-1) (9,1)

Back

This is a function because each x-value has only one corresponding y-value.

5.

FLASHCARD QUESTION

Front

What is the vertical line test?

Back

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

6.

FLASHCARD QUESTION

Front

What is a mapping diagram?

Back

A mapping diagram visually represents a function by showing how each input is paired with an output.

7.

FLASHCARD QUESTION

Front

If f(x) = 2x + 3, what is f(2)?

Back

f(2) = 2(2) + 3 = 7.

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