Applying Growth Models: Fun with Rabbit and Tree Growth!

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

• 100

• 200

• 400

• 800

A bank offers an interest rate of 5% compounded annually. If you deposit $1,000, how much money will you have after 2 years?

• 1150.00

• 1200.00

• 1102.50

• 1050.00

A tree grows at a rate of 10% per year. If the tree is currently 4 feet tall, what will its height be after 4 years?

• 7.20 feet

• 4.80 feet

• 5.86 feet

• 6.40 feet

A bacteria culture starts with 200 bacteria and grows by 25% each hour. How many bacteria will there be after 3 hours?

• 250

• 300

• 390

• 450

A car's value decreases by 15% each year. If the car is worth $20,000 now, what will its value be in 2 years?

• $14,450

• $12,000

• $16,000

• $18,000

A savings account has a balance of $500 and earns 3% interest compounded monthly. How much will be in the account after 1 year?

• $515.20

• $510.00

• $505.00

• $520.50

A certain species of fish grows at a rate of 12% per month. If there are 150 fish now, how many will there be in 6 months?

• 250

• 320

• 180

• 296

A city’s population is currently 1,000,000 and is expected to grow by 2% each year. What will the population be in 5 years?

• 1,050,000

• 950,000

• 1,200,000

• 1,104,080

A plant grows continuously at a rate of 8% per month. If it is currently 10 inches tall, how tall will it be after 3 months?

• 12.60 inches

• 10.80 inches

• 15.00 inches

• 9.20 inches

A smartphone's price decreases by 20% each year. If the original price is $800, what will the price be after 2 years?

• $400

• $512

• $640

• $720