Exponential Word Problems

Ash has $8,000 in a savings account. The interest rate is 3% compounded once a year.

To the nearest cent, how much will he have in his account in 4 years?

• $9,004.07

• $2,2848.80

• $9,011.94

• $8,242.71

The population of Pallet Town increases by 15% every year. If there are currently 190,000 people living there, what will be the population in 13 years?

If necessary, round your answer to the nearest whole number.

• 4 people.

• 22,972 people.

• 1,169,030 people.

• 1,188,311 people.

Tags

CCSS.HSF-LE.A.1C

Does the following equation show growth or decay?
y=10,000*1.26^x

• Growth 
• Decay

Tags

CCSS.HSF-IF.C.8B

• 4

• 500

• 608

• 541

Tags

CCSS.HSF-LE.A.1C

Pick the equation that is exponential growth

• y=2(0.5)^x

• y = .5x - 2

• y = 2x + .5

• y = 0.5(2)^x

Tags

CCSS.HSF-LE.A.1A

Rapunzel's hair grew 16% each week she was in the tower. If her hair was 20 inches long when she was placed in the tower, what is a model for the growth of Rapunzel's hair?

Tags

CCSS.HSF.LE.A.2

Mrs. W is raising bunnies for Easter. She currently has 5 bunnies and expects the number of bunnies to increase 55% each year. What equation below represents this scenario?

• f(x) = 5(155)^t

• f(x) = 5(1.55)^t

• f(x) = 5(0.155)^t

• f(x) = 5(15.5)^t

Tags

CCSS.HSF.LE.A.2

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

• y=1400(1.09)^x
• y=1.09(1400)^x
• y=1400(.91)^x
• y=1.09^x

Tags

CCSS.HSF.LE.A.2

Jenny has $20 in a savings account. The interest rate is 5%, compounded annually. To the nearest cent, how much interest will she earn in 2 years?

• $2.05

• $45.79

• $1.99

• $7.51

Tags

CCSS.HSF-LE.A.1C

You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

• $344,022

• $15,000

• $31,500

• $28,500

Tags

CCSS.HSF.BF.A.2