Learn about functions, their properties, and how to work with them in algebra on Khan Academy.

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Learn how to find and evaluate composite functions with step-by-step examples.

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2024年7月31日 · Too many students struggle with math. In fourth grade, only 36% of students are proficient in math. By eighth grade, that number drops to 26%. Kids are stumped by fractions. Unsure of integers. … Continue Reading about Why We’re Deeply Invested in Making AI Better at Math Tutoring (and What We’ve Been Up to Lately) →

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