October 2023
Beginner
624 pages
16h 10m
English
Content preview from Pre-Calculus All-in-One For Dummies
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Chapter 3
Cementing the Building Blocks of Pre-Calculus Functions
IN THIS CHAPTER
Identifying, graphing, and translating parent functions
Defining even, odd, and one-to-one functions
Comparing quadratic, cubic, and their root functions
Breaking down and graphing rational functions
Maps of the world identify cities as dots and use lines to represent the roads that connect them. Modern country and city maps use a grid system to help users find locations easily. If you can’t find the place you’re looking for, you look at an index, which gives you a letter and number. This information narrows down your search area, after which you can easily figure out how to get where you’re going.
You can take this idea and use it for your own pre-calculus purposes through the process of graphing. But instead of naming cities, the dots name points on the coordinate. A point on this plane relates two numbers to each other; these are called coordinates. The whole coordinate plane really is just a big computer, because it’s based on input and output, with you as the operating system. This idea of input ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.