How To Find Domain In Interval Notation

Using interval notation the domain is infty infty backslash 1 2 3 1 2 3.

How to find domain in interval notation. Enter the function you want to domain into the editor. Finding domain of a function with a square root in the numerator and denominator. Open parentheses closed parentheses infinity imagine an 8 sideways negative infinity an 8 sideways with a negative sign in front of it and union a symbol similar to an elongated u.

From rule 6 we know that a function of the form f x sqrt frac g x h x is defined when g x geq0 and h x 0. Domain of f x frac sqrt x 1 x 2 4 in interval notation is 1 2 cup 2 infty. Learn how to find the domain of a radical function.

Domain of a function calculator step 1. Recall that the domain of a function is the set of possible input values x values of the function. In interval notation there are five basic symbols to be familiar with.

Other strategies for finding domain of a function the alternative of finding the domain of a function by looking at potential divisions by zero or negative square roots which is the analytical way is by looking at the graph.