Functions | Algebra 1 | Math | Khan Academy
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! Power …
Functions | Algebra (all content) | Math | Khan Academy
This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition - …
What is a function? (video) | Functions | Khan Academy
Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.
Rational functions (video) - Khan Academy
What are rational functions? How do we plot them? What is their domain and range? Let's find out. We break down the definition of the function given in set-builder form and plot the graph by …
Functions | College Algebra | Math | Khan Academy
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.
Linear equations, functions, & graphs | Khan Academy
This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing …
Precalculus | Math | Khan Academy
The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional …
Intro to inverse functions - Khan Academy
Learn what the inverse of a function is, and how to evaluate inverses of functions that are given in tables or graphs.
Relations and functions (video) | Functions | Khan Academy
So before we even attempt to do this problem, right here, let's just remind ourselves what a relation is and what type of relations can be functions. So in a relation, you have a set of …
Inverse Fucntions - Khan Academy Help Center
Does f (f⁻¹ (x)) = f⁻¹ (f (x)) = x? The composition of two inverse functions always equals to x. This is how inverse functions can be verified algebraically. I'll omit the algebraic check here, since …