Functions in Context

Functions in Context

9th - 12th Grade

10 Qs

quiz-placeholder

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Functions in Context

Functions in Context

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Barbara White

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

A cost of $7 to ride the taxi
The cost to ride 7 miles
The minimum distance to ride a taxi
The minimum cost of a taxi

Tags

CCSS.HSF.IF.A.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Derek works at Subway making $9.25 an hour.  The function d(x)=9.25x tells us how much money Derek makes after x hours of working.  What is the meaning of d(4)=37?

After 4 hours of work, Derek makes $37.
Derek needs $4 more to have $37 total.
After working for 4 days, Derek makes $37 total.
After 4 hours of work, Derek now makes $37 an hour instead of $9.25.

Tags

CCSS.HSF.LE.B.5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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?

Ms. Brackemyer starts with 8 pencils and ends with 52.
After 8 days, Ms. Brackemyer has 52 pencils.
Ms. Brackemyer starts with 52 pencils and gets 4 more every day.
Every day, Ms. Brackemyer gets 4 new pencils until she has 52.

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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)=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)=28.  This means that 8 packages of gum costs $28.
g(8)=24.  This means that 8 packages of gum costs $24.

Tags

CCSS.HSF.IF.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The function d(x) where x=gallons of gas and d(x)= # of miles traveled.
Interpret d(8)=300 in context.

A car with 8 gallons of gas can travel 300 miles.
A car traveling 8 miles has 300 gallons of gas.
A car is traveling 300 miles.
The car traveling 8 mph can go 300 miles.

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What does f(1990)=214 mean in the context of the problem?

In 1990 there were 214 million people with health insurance

In 214, there were 1990 people with health insurance

When there are 1990 people, the year is 214

None of these

Tags

CCSS.HSF.IF.A.2

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