Understanding Domain and Range
Choose your learning level
Watch & Learn
Video explanation of this concept
concept. Use space or enter to play video.
Beginner
Start here! Easy to understand
Beginner Explanation
Every function has a domain and a range. The domain is where the function works. The range is what you get out of the function.
Now showing Beginner level explanation.
Practice Problems
Test your understanding with practice problems
1
Quick Quiz
Single Choice Quiz
Beginner
What is the domain of the function $f(x) = \frac{1}{x}$?
Please select an answer for all 1 questions before checking your answers. 1 question remaining.
2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
A car travels at a speed $s(t) = 20t + 5$ kilometers per hour over the interval 0 ≤ t ≤ 3 hours.
Click to reveal the detailed solution for this question exercise.
3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Consider the function $f(x) = \sqrt{x - 2}$. Determine the domain.
Click to reveal the detailed explanation for this thinking exercise.
4
Challenge Quiz
Single Choice Quiz
Advanced
Identify the range of $f(x) = x^2 - 4$.
Please select an answer for all 1 questions before checking your answers. 1 question remaining.
Recap
Watch & Learn
Review key concepts and takeaways
recap. Use space or enter to play video.