Wednesday, April 15th - Exponential Growth & Decay

Is the pictured graph showing

Exponential growth, Exponential decay, a Quadratic Function, or a Linear model?

• Exponential Growth

• Exponential Decay

• Quadratic Function

• Linear model

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72
• $136.72
• $51,710.94
• $16,710.94

Tags

CCSS.7.RP.A.3

$1500 is invested at a rate of 3.5% compounded annually for 4 years.

Find the balance. Round to the nearest penny.

$4200 is invested at a rate of 2.8% and compounded quarterly for 6 years.

Find the balance. Round to the nearest penny.

The number of student-athletes is 300 and is increasing at a rate of 8% per year.

Find the number of student-athletes in 5 years. Round to the nearest whole person.

The value of a car is $18,000 and is depreciating at a rate of 12% per year.

Find the value of the car in 10 years. Round to the nearest penny.

Bismuth-214 has a half-life of 20 minutes. Find the amount of bismuth-214 left from a 30-gram sample after 1 hour.

Cesium-137 has a half-life of 30 years. Find the amount of cesium-137 left from a 25-gram sample after 120 years.

Barney invested $12,000 at a rate of 2.6%. It was in an account that compounded monthly.

Find the balance after 15 years. Round to the nearest penny.

The population is currently 1800 people and is declining at a rate of 1.5% each year.

Find the population in 5 years. Round to the nearest whole person.