Question

How to find points of discontinuity for a rational function?

Answer 1

This is how you found the rational fraction Start by factoring the numerator and denominator of the function. A point of discontinuity occurs when a number is both a zero of the numerator and denominator. Since is a zero for both the numerator and denominator, there is apoint of discontinuity there. To find the value, plug in into the final simplified equation.