Writing Exponential Growth and Decay Models

Front

Is the pictured graph growth, decay, or linear or none? Options: Exponential Growth, Exponential Decay, Linear, None

Back

Exponential Growth

Front

Is this exponential growth or decay?

Back

Decay

Front

Equation for bacteria culture starting with 5000 cells, dying by 30% each year.

Back

y=5000(1 - 0.30)^x

Front

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?

Back

$23,219.72

Front

Change 6.75% to a decimal.

Back

.0675

Front

Change 11.2% to a decimal.

Back

0.112

Front

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

Back

.92

Front

Function with initial amount $15 and 35% increase each year: y = 15(35)^x, y = 15(1.35)^x, y = 15(0.35)^x, y = 35(1.15)^x

Back

y = 15(1.35)^x

Front

Classify the model: A=1200(.85)⁶

Back

Decay

Front

Classify the model: A=10(1.01)³
Options: Growth, Decay

Back

Growth