What Is an Exponential Function?


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question 1 of 3

Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

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1. A colony of bacteria starts with 9 bacteria at noon. If the number of bacteria triples every 20 minutes, how many bacteria will be present at 2:40 pm that afternoon?

2. Which of the following is an exponential function?

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About This Quiz & Worksheet

This quiz and worksheet combo will help you evaluate your comprehension of exponential functions, a commonly used equation where the base is a constant and the independent variable is the exponent. You will be assessed on how to identify exponential equations and solve for exponents.

Quiz & Worksheet Goals

This quiz will test you on the following topics:

  • Define exponential function
  • Identify exponential patterns
  • Solve for values of exponential functions

Skills Practiced

In this quiz and worksheet students practice the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related mathematics lesson
  • Information recall - access the knowledge you've gained regarding exponential patterns and functions
  • Knowledge application - use your knowledge to answer questions about exponential equations

Additional Learning

To learn more about exponential functions, read through the accompanying lesson called What Is an Exponential Function? This lesson covers the following objectives:

  • Recall the definitions of independent variable and exponent
  • Examine example exponential functions
  • Understand starting values
  • Use the exponential formula to solve for variables