This module was designed to help learners gain understanding about rational functions. It is composed of two lessons. The first lesson tackles about representing real life situations using rational functions, and the second lesson will delve about distinguishing rational function, rational equation and rational inequality. It is assumed that the learners already grasp full understanding with functions which was found on the previous modules.

The first part of this module covers varied situations that can be seen in real life such as budgeting distance and concentration of medicine in the blood while the second lesson will proceed to deeper portion or rational sentences. It is hoped that upon exploring this learning kit you will find the eagerness and enthusiasm in completing the task required.

After going through this module, you are expected to:

1. represent real – life situations using rational functions;

2. distinguishes rational function, rational equation and rational inequality.

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