Degree of numerator is less than degree of denominator. Let the function be y fx then. Graphing Rational Functions Rational Function School Algebra Teaching Math Either the denominator is zero or there is a negative number under a square root. . The domain of a function 𝑓 𝑥 is a set of all possible values 𝑥 such that the expression 𝑓 𝑥 is defined. This algebra video tutorial explains how to find the domain of a function that contains radicals fractions and square roots in the denominator using interv. Domain involving radical function. Recall that the domain of a function is the set of possible input values x-values of the function. The domain calculator allows you to take a simple or complex function and find the domain in both interval and set notation instantly. How do I find the domain of a radical function. The domain of a function fx is a set of all possible values of x. Domain x is an integer x...