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! …

This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition - …

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

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.

Given the graph of a function, determine its domain or range.

Take a look at some amazing computer programming projects created by Khan users from around the world! See a program that inspires you? Be sure to vote it up, ask a question or make your …

Solving linear equations and inequalities: foundations Linear equation word problems: foundations Linear relationship word problems: foundations Graphs of linear equations and functions: …

The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional …

But what we're now going to explore is functions that are defined piece by piece over different intervals and functions like this you'll sometimes view them as a piecewise, or these types of …

This topic covers: - Simplifying rational expressions - Multiplying, dividing, adding, & subtracting rational expressions - Rational equations - Graphing rational functions (including horizontal & …