
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! …
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.
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 …
Functions (video) | Function definitions | Khan Academy
Learn how to use functions to package a block of code and parameters to generalize it. Learn how to write your own function definitions, and explore how the computer executes a function call.
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.
Functions | Algebra (all content) | Math | Khan Academy
Inputs and outputs of a function Learn Worked example: matching an input to a function's output (equation) Worked example: matching an input to a function's output (graph) Worked example: …
Algebra (all content) - Khan Academy
Unit 5 System of equations Unit 6 Two-variable inequalities Unit 7 Functions Unit 8 Absolute value equations, functions, & inequalities Unit 9 Quadratic equations & functions Unit 10 Polynomial …
Multiplying and dividing functions (article) | Khan Academy
See how we can multiply or divide two functions to create a new function. Just like we can multiply and divide numbers, we can multiply and divide functions. For example, if we had functions f …
Algebra 1 | Math | Khan Academy
The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …
Worked example: evaluating expressions with function notation
If you've seen the earlier videos, you will understand that functions simply generate an output from an input. Thus, there are infinite applications - it's used anytime there is a correlation …