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Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.

Practice Comparing linear functions word problems Get 3 of 4 questions to level up!

If you're talking about evaluating functions, then it works the exact same way as evaluating algebraic expressions. Replace all instances of the variable with its substituted value, and …

Functions come to life when we look at their graphs. In this unit, we’ll explore how features like symmetry, discontinuities, and intervals reveal deeper insights into function behavior.

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Functions Make your code more reusable by grouping it into functions. Use parameters and return values to pass information in and out of your functions.

Learn eighth grade math—functions, linear equations, geometric transformations, and more. (aligned with Common Core standards)

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