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Function Notation

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Function Notation
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the value of x in:
f(3) = 2x + 1

3

2

1

0

Tags

CCSS.HSF.IF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a question asks you to find f(2), what does that mean?

Let x = 2

Let y = 2

Tags

CCSS.HSF.IF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You can eat 6 animal crackers per minute.  There are 200 animal crackers in the jar when you started eating. Write a function to represent the number of animal crackers left in the jar after x minutes.

f(x) = −6x + 200

f(x) = 6x + 200

f(x) = 200x + 6

f(x) = −200x + 6

Tags

CCSS.HSF-BF.A.1A

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

After 5 week the plant is 4 inches tall

The plant grows at a rate of 5/4 inch per week

After 4 weeks the plant is 5 inches tall

The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

How would you write y = 2x - 3 in function notation?

y = 2x-3

f = 2x - 3

f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

If f(x) = 2x + 1, what would be your first step to find f(1)?

Plug a 1 in for all the x's

Set the function equal to 1

Only plug a 1 into the left side

Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

If f(x) = 2x + 1, find f(1).

f(1) = 1

f(1) = 4

f(1) = 0

f(1) = 3

Tags

CCSS.HSF.IF.A.2

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