Question

To fill out a sign chart, you will need to use test numbers before and after each of the function's zeros and ______.

Answer 1

To fill out a sign chart, you will need to use test numbers before and after each of the function's zeros and vertical asymptotes.

A sign chart is a chart which help in solving polynomial inequalities.

Answer 2

Answer with explanation:

→Sign charts are mainly used for solving Inequality.

→Sign charts are also used to determine in which interval function is increasing and in which interval it is decreasing.That is concept of Increasing and Decreasing Phenomenon is used in functions.

→In sign chart,we substitute real numbers  after and before Zero of the inequality in the function  to check which side on the number line or inside which interval the inequality is satisfied.

→So, to fill out a sign chart, you will need to use test numbers before and after each of the function's zeros and in the given Function (Polynomial).

Whether these numbers satisfy the Inequality or not to find the interval.