Exponential Growth and Decay Word Problems and Tables

From 2000 - 2010 a city had a 2.5% annual decrease in population. If the city had 2,950,000 people in 2000, determine the city’s population in 2008.

Round to the nearest (a)   (these are people)... so whole number!

Tags

CCSS.HSF-LE.A.1C

You buy a car for $8000 that depreciates at a rate of 11% a year. How much is the car worth after 5 years?

Round to the nearest cent. (two decimal places)

(a)  

Tags

CCSS.HSF.BF.A.2

P = 8(1.23)^t

Is the function growth or decay?

Check the box:

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B

What is the initial quantity?

(a)  

Annual sales for a fast food restaurant are $650,000 and are increasing at a rate of 4% per year. Use an exponential function to find the annual sales after 7 years.

Round to two decimal places (like dollars and cents).

(a)  

The population of a school is 800 students and is increasing at a rate of 2% per year. Use an exponential function to find the population of the school after 9 years.

Round to the nearest whole number.

(a)  

Tags

CCSS.HSF-LE.A.1C

Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. Use an exponential function to find the value of the home today.

Round to two decimal places (like money).

(a)  

• Initial amount

• Rate of growth or decay

• Time

• End amount

Tags

CCSS.HSF-IF.C.8B

The population of a town is 2500 and is decreasing at a rate of 3.5% per year. Use an exponential function to find the population of the town after 5 years.

Round to the nearest whole number (you can't have a fraction of a person).

(a)  

Tags

CCSS.HSF-LE.A.1C

Kathy plans to purchase a car that depreciates at a rate of 12% per year. The initial value of the car is $21,000. Use an exponential function to find the value of the car after 3 years.

Round your answer to 2 decimal places.

(a)