MTH 219 Week 5 Introductory & Intermediate Algebra for College Students, Ch. 7, Section 7.8:

MTH 219 Week 5 Introductory & Intermediate Algebra for College Students, Ch. 7, Section 7.8:

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 MTH 219 Week 5 Introductory & Intermediate Algebra for College Students, Ch. 7, Section 7.8: Rational Expressions
 

In Section 7.8 you learn about modeling using Variation. Variation describes the relationship of what happens to one variable when another variable changes value at a constant rate. There are three types of variation you will learn about: Direct, Inverse and Joint variation. An example of Direct variation is y = 5x. In this example, if x is increased by 1, y is increased by 5. Read this section to learn about each type of variation and how they can represent real-world applications.
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