
Functions | Algebra 1 | 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. Unit guides are here! Power up your …
Functions | Algebra (all content) | Math | Khan Academy
Explore algebraic functions with interactive lessons and exercises on Khan Academy, enhancing your understanding of mathematical concepts and problem-solving skills.
What is a function? (video) | Functions | Khan Academy
Learn what a function is and how to evaluate functions with this comprehensive video tutorial from Khan Academy.
How to find domain and range from a graph (video) | Khan Academy
Learn to determine the domain and range of a function from its graph with Khan Academy's educational video.
How to find the range of a function (video) | Khan Academy
The range of a function is the set of all possible outputs the function can produce. Some functions (like linear functions) can have a range of all real numbers, but lots of functions have a more …
Checking if an equation represents a function - Khan Academy
A function is defined by the rule that for every input value (independent variable), there is a unique output value (dependent variable). The key criterion for a relationship to be a function is that …
Recognize functions from tables | Algebra (practice) | Khan Academy
Determine whether a table of values of a relationship represents a function.
Transformations of functions | College Algebra - Khan Academy
Once we know a handful of parent functions, we can transform those functions to build related functions. Geometry swoops in as we translate, reflect, and dilate the graphs, working back …
Recognize functions from graphs | Algebra (practice) | Khan …
Determine whether a given graph represents a function.
How to find the domain of a function (video) | Khan Academy
Functions assign outputs to inputs. The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is …