Exponential Growth and Decay Word Problems Practice

A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years.

Round to the nearest whole number.

Tags

CCSS.HSF-LE.A.1C

What does "t" stand for in the exponential growth formula?

• final amount

• time

• original amount

• rate of growth

Tags

CCSS.HSF-IF.C.8B

Marburn has 80 total students in our High School. It is projected to grow at rate of 2% every year. How many students will be in the High School in 5 years from now?

• 72.3 students

• 88.3 students

• 199.1 students

• 80 students

Tags

CCSS.HSF-LE.A.1C

The population of a town is decreasing at a rate of 5% per year. This year there are 10,000 people in this town, how many people will be left in 20 years from now? (round to the nearest whole number)

• 26,533 people

• 358 people

• 1 person

• 3,585 people

Tags

CCSS.HSF-LE.A.1C

Lauren has $90 in a savings account. The interest rate is 5%, compounded annually. To the nearest cent, how much will she have in 2 years?

• $99.23

• $21.98

• $56.46

• $9.21

Tags

CCSS.HSF-LE.A.1C

What is the DECAY rate? Write as a percent! CAREFUL!!!

Tags

CCSS.HSF-IF.C.8B

You start an account with $500 and an interest rate of 6% compounded yearly. How much is in the account after 3 years?

Round to the nearest cent. (two decimal places)

Tags

CCSS.HSF-LE.A.1C

What is the growth rate? Write as a percent!

Tags

CCSS.HSF-IF.C.8B

You have inherited land that was purchased for $30,000. The value of the land increased by approximately 5% per year. What is the approximate value of the land 51 years later?

• $344,022

• $31,500

• $15,000

• $28,500

Tags

CCSS.MATH.CONTENT.HSA.SSE.B.3.c