Word Problems: Linear vs. Exponential Functions in Action

A car rental company charges a flat fee of $30 plus $0.20 per mile driven. If you drive 150 miles, how much will you pay in total?

• $50

• $75

• $100

• $60

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A population of rabbits doubles every year. If there are currently 50 rabbits, how many will there be in 3 years?

• 100

• 800

• 400

• 200

A gym membership costs $50 to join and $25 per month. Write a linear equation to represent the total cost after 'm' months. How much will it cost after 6 months?

• $150

• $200

• $250

• $100

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plant grows exponentially, increasing its height by 50% each month. If it starts at 10 cm, what will its height be after 4 months?

• 50.625 cm

• 40 cm

• 30 cm

• 60 cm

A phone plan offers unlimited data for $60 a month. If you also pay a one-time activation fee of $30, write a linear equation for the total cost after 'm' months. What is the total cost after 1 year?

• 750

• 800

• 600

• 720

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A bank account earns 5% interest compounded annually. If you deposit $1,000, how much will you have after 2 years?

• 1102.50

• 1150.00

• 1050.00

• 1200.00

A taxi charges a base fare of $3 plus $2 for each mile traveled. If you travel 10 miles, how much will the fare be?

• $20

• $30

• $15

• $23

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A certain bacteria culture triples in size every hour. If you start with 100 bacteria, how many will there be after 5 hours?

• 12000

• 24300

• 30000

• 15000

Tags

CCSS.HSF.LE.A.4

A store sells a shirt for $20. If the price increases by $2 each month, write a linear equation for the price after 'm' months. What will the price be after 6 months?

• $32

• $36

• $24

• $28

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A savings account has an initial deposit of $500 and earns 4% interest compounded annually. How much will be in the account after 3 years?

• $562.43

• $550.00

• $500.00

• $600.00