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Learn about the domain and range of a function in this Khan Academy video.
Learn how to determine the domain and range of a function using a formula in this video tutorial.
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!**
Finding the domain and range of a piecewise function that is constant in each segment. Such functions are called "step functions."
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 all real numbers except for x=0. We can also define special functions whose domains are more limited.
Use information about a situation to figure out the domain of the function which models it.
Find domain and range when the relation is from an infinite set to an infinite set.
We can think graphs of absolute value and quadratic functions as transformations of the parent functions |x| and x². Importantly, we can extend this idea to include transformations of any function whatsoever!
Finding the domain and the range of a function that is given graphically. Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.
When you are asked for the domain, you are to identify where a function exists with respect to the x-axis. As the x-axis is the horizontal axis (left to right), you would want to note the arrows on either end of the parabola.