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Functions and Graphs
Functions and Graphs: The Big Picture
Learn how domain, range, intercepts, and intervals tell the story of a function.
Coming soonFunction behavior
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Precalculus videos with Amar.
Short teaching videos, lesson notes, practice quests, and game-based review for advanced math students.
Function Universe
15 planned lessons
Videos are designed to stay low-cost by using YouTube embeds and app-hosted metadata, not heavy video uploads.
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Unit Circle
Unit Circle Without Panic
A visual approach to radians, coordinates, and exact trig values.
Coming soonRadians and exact values
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Limits Preview
Limits Preview: What Are We Approaching?
Prepare for calculus by seeing limits as approaching behavior on a graph.
Coming soonLimit intuition
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