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

Only plug a 1 into the left side

Only plug a 1 into the right side

If I know that f(2) = 4, what is another way I can write my answer?

That is the only way to write it.

what is function notation?

the way an equation (function) is written.

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles. What does c(7) represent?

The minimum distance to ride a taxi

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

After 4 weeks the plant is 5 inches tall

After 5 week the plant is 4 inches tall

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

The plant grows at a rate of 1 inch per week

A company is selling bubble gum. The function g(x)=3x+4 tells the company how much to charge if someone buys x packages of bubble gum. Find g(8) and tell what it means within the context of the problem.

g(8)=28. This means that 8 packages of gum costs $28.

g(8)=8. This means that after 8 packages of gum, the company makes $8.

g(8)=42. This means that 8 packages of gum costs $42.

g(8)=24. This means that 8 packages of gum costs $24.

Ms. Brackemyer is collecting pencils. The function p(x)=5x+12 tells us the total amount of pencils Ms. Brackemyer has after collecting for x number of days. What is the meaning of p(8)=52?

After 8 days, Ms. Brackemyer has 52 pencils.

Ms. Brackemyer starts with 8 pencils and ends with 52.

Ms. Brackemyer starts with 52 pencils and gets 4 more every day.

Every day, Ms. Brackemyer gets 4 new pencils until she has 52.

Function Notation and Evaluating Functions Practice part 2

8th Grade

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34 Qs

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Function Notation and Evaluating Functions Practice part 2

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Medium

•

CCSS

HSF.IF.A.2, 8.F.A.1, HSF.LE.B.5

Standards-aligned

Kristy ECARE

Used 7+ times

FREE Resource

34 questions

Show all answers

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Evaluate f(-2) if f(x) = x²+ 3

-1

-7

Tags

CCSS.HSF.IF.A.2

MATH RESPONSE QUESTION

3 mins • 1 pt

Given h(x) = 5 - 9x, find h(8).

Mathematical Equivalence

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the function f(x) = -3(x-1) find f(0).

-3

-1

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Evaluate f(-5) if f(x) = -2x - 12

-22

-2

-19

-5

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If f(x) = 7, what is the value of x?
f(x) = 3x+1

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-3

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-1

-6

Tags

CCSS.HSF.IF.A.2

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Function Notation and Evaluating Functions Practice part 2

34 questions

Evaluate f(-2) if f(x) = x2+ 3

Given h(x) = 5 - 9x, find h(8).

For the function f(x) = -3(x-1) find f(0).

Evaluate f(-5) if f(x) = -2x - 12

If f(x) = 7, what is the value of x? f(x) = 3x+1

If f(x) = 10, what is the value of x? x + 2 = f(x)

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Discover more resources for Mathematics

Evaluate f(-2) if f(x) = x²+ 3

If f(x) = 7, what is the value of x?
f(x) = 3x+1

If f(x) = 10, what is the value of x?
x + 2 = f(x)