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Khan Academy

Learn how to flip and shift radical functions with Khan Academy's step-by-step tutorial.

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 …

Learn about the domain and range of a function with Khan Academy's interactive exercises.

Learn about parabolas, their properties, and how to graph them in this introductory lesson on quadratic functions and equations.

Learn how to differentiate composite functions with this Khan Academy video tutorial.

How to Find the Inverse of a Function (mathbff) Find the Inverse of a Rational Function (Mathispower4u) and this clear, concise series of videos on inverse functions:

I am supposed to find f-g, f/g, fog, and gof and state the domain of each for this problem but I don't know how to do it because it is a rational function. This is what it looks like: f(x)= x+1/2x …

U01_L5_T1_we3 Understanding Square Roots If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please …