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

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.

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

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.

Evaluating Functions

9th Grade

•

15 Qs

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Evaluating Functions

Quiz

•

Mathematics

•

9th Grade

•

Practice Problem

•

Medium

•

CCSS

HSF.IF.A.2, HSF.LE.B.5

Standards-aligned

Nicholas Monioudis

Used 212+ times

FREE Resource

15 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If f(x)=6x²-4,
what is f(-1)?

-2

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Evaluate f(x)=-2x+13 for f(10)

-7

-8

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(x)=4x+5
f(4)=

-11

-31

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

f(x)=x²-5x
f(4)=

-4

126

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Evaluate f(x) = x² for f(-8)

-64

-16

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Evaluate f(t)=-2t²+ 1 for f(-3)

-17

-11

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Evaluate f(t)=-2t²+ 1 for f(2)

-17

-7

Tags

CCSS.HSF.IF.A.2

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