Understanding Functions: Describing Behavior
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Beginner
Start here! Easy to understand
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Beginner Explanation
Simple explanation with $y = mx + b$.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the function rule if $x = 1, 2, 3$ and $y = 3, 5, 7$?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
If the number of songs on a playlist $(x)$ increases, and the time spent listening $(y)$ increases proportionally—e.g., 20 songs take 60 minutes—find the function that relates $y$ to $x$.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Find the function rule if $x = 1, 2, 3$ and $y = 1, 4, 9$.
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4
Challenge Quiz
Single Choice Quiz
Advanced
What is the function rule for $x = 1, 2, 3$ and $y = 2, 4, 8$?
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Recap
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