# Exponential Growth vs. Decay

Instructions:

question 1 of 3

### A laptop loses 2/3 of its value each year. If you have a \$600 laptop, how much is it worth after 15 years?

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### 2. Which of these equations correctly represents the following scenario: In her prime, 40 million people knew who Britney Spears was, but that number has been decreasing by 10% each year. If this is true how many people drop off the list of knowing who Brittney is each year?

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In the lesson you will learn the definition of exponential growth and exponential decay. This accompanying quiz/worksheet combo will test the your knowledge of these two concepts with practice problems and mathematical equations that demonstrate and contrast the two.

## Quiz & Worksheet Goals

In this assessment you'll be tested with:

• A practical application of exponential decay
• Equations that demonstrate exponential decay
• The use of an equation to solve a problem involving exponential decay
• A term for an approachable but ultimately unsolvable value in a function

## Skills Practiced

• Critical thinking - apply relevant concepts to examine information about exponential growth and decay
• Problem solving - use acquired knowledge to solve practice problems in exponential decay
• Knowledge application - use your knowledge to answer questions about exponential growth and decay using mathematical equations and functions