Evaluating and Finding Functions

Evaluating and Finding Functions

Assessment

Flashcard

Mathematics

9th Grade

Hard

CCSS
8.F.A.1, HSF.IF.A.2, HSF.LE.A.2

+4

Standards-aligned

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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 from a set of inputs.

Tags

CCSS.8.F.A.1

2.

FLASHCARD QUESTION

Front

How do you denote a function?

Back

Functions are typically denoted by letters such as f, g, or h, followed by the variable in parentheses, e.g., f(x).

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

3.

FLASHCARD QUESTION

Front

What does f(x) = x + 3 represent?

Back

This is a linear function where the output increases by 3 for every unit increase in x.

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

4.

FLASHCARD QUESTION

Front

How do you find the value of x when f(x) = 8 for f(x) = x + 3?

Back

Set the equation x + 3 = 8, then solve for x: x = 8 - 3 = 5.

Tags

CCSS.HSF.IF.A.2

5.

FLASHCARD QUESTION

Front

What is the meaning of f(4) in a function?

Back

f(4) represents the output of the function when the input is 4.

Tags

CCSS.HSF.IF.A.2

6.

FLASHCARD QUESTION

Front

If f(x) = -x + 3x + 1, what is f(4)?

Back

f(4) = -4 + 3(4) + 1 = -4 + 12 + 1 = 9.

Tags

CCSS.HSF.IF.A.2

7.

FLASHCARD QUESTION

Front

How do you read f(x)?

Back

It is read as 'f of x'.

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

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