About this unit A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions. Unit guides are here! …

Learn about rational functions with Khan Academy's comprehensive tutorials and interactive exercises designed to enhance your understanding of Algebra 2 concepts.

A function-- and I'm going to speak about it in very abstract terms right now-- is something that will take an input, and it'll munch on that input, it'll look at that input, it will do something to that input.

Explore algebraic functions with interactive lessons and exercises on Khan Academy, enhancing your understanding of mathematical concepts and problem-solving skills.

Introduction to the domain and range of a function Learn Intervals and interval notation

Our function definition is now complete, but a function definition just defines how to perform a task. To actually perform that task, we still need to call the function.

Inputs and outputs of a function Learn Worked example: matching an input to a function's output (equation)

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Understand how the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, chloroplasts, and ribosomes contribute to cellular function and organization. Discover how …

That's not what a function does. A function says, oh, if you give me a 1, I know I'm giving you a 2. If you give me 2, I know I'm giving you 2. Now with that out of the way, let's actually try to …