## Chapter 7 Rational Expressions Algebra Ii Common Core

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1 Chapter 7 Rational Expressions Algebra II Common Core Lesson 1: Intro to Rational Functions and Undefined Values Lesson : Simplifying Rational Expressions Lesson 3: Multiplying and Dividing Rational Expressions Lesson 4: Adding and Subtracting Rational Expressions Lesson 4 Practice: Adding & Subtracting Rational Expressions Lesson 5: Complex Fractions Lesson 6: Fractional Equations This assignment is a teacher-modified version of Algebra Common Core Copyright 016 emath Instruction, LLC used by permission.

2 UNIT 7 LESSON 1 INTRODUCTION TO RATIONAL FUNCTIONS Rational functions are simply the of polynomial functions. They take on more interesting properties and have more interesting graphs than polynomials because of the interaction between the numerator and denominator of the fraction. Recall: Compositions of functions Exercise 1: If g = 3x and then find: f) f) f) Undefined: Is when the denominator of a fraction is equal to. A fraction cannot have zero in the denominator because we cannot divide by. Exercise : Consider the rational function given by. Algebraically determine the y-intercept for this function. Algebraically determine the x-intercept of this function. Hint a fraction can only equal zero if its numerator is zero.

3 For what value of x is this function undefined? Why is it undefined at this value? Based on , state the domain of this function in set-builder notation. Sketch a graph of this function.

33 .) Algebraically prove that, where.

## Introduction To Rational Functions Common Core Algebra 2 Homework Answers

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INTRODUCTION TO FUNCTION COMMON CORE ALGEBRA II HOMEWORK HELP SOMEONE PLEASE

Using the** concept of function,** it is found that:

- Graphs
**B, C, D and F**are**functions**. - Graphs
**A and E**are**not functions.**

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- In a
**function**, one value of the input can be related to only one value of the output.

- In a
**graph**, it means that for__each value of x, there can only be one respective value of y.__That is, if a vertical line is traced at a value of x, it can cross the function only once, that is, there cannot be points aligned vertically. - In graphs
**B, C, D and F**, it can be seen that__for each x value, there is only one respective y-value__, thus, they are**functions.** - In graphs
**A and E**, for__values of x,__such as x = 3 for both, there are__two respective values of y__, thus they are**not functions.**

A similar problem is given at brainly.com/question/12463448