Texas Algebra I
Don't mess with Texas…EOC.
Do you put the fun in functions, or is rational the last thing you feel when you encounter a rational expression? Was PEMDAS the name of your first dog, or is FOIL just something you wrap lovingly over last night's meatloaf? (You may think we've run out of math puns, but we're just getting warmed up.) Shmoop's guide to the Texas Algebra I End-of-Course Assessment gives you everything you'll need to navigate the variable-infested waters of functions, equations, and inequalities.
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Properties and Attributes of Functions
We learned how to add a long time ago. And when we say long, we mean long—maybe as far back as first grade, even. We probably did a little adding, took a little test, and never had to deal with it again for the rest of our lives.
Addition might have become second nature to us, like walking or tying our shoes, but that doesn't mean that we've stopped using it. As we see time after time, math is cumulative. There are about 12 questions on the Texas Algebra I EOC exam that address these basics about functions. But we can't just think about these concepts on their own; we need to remember them when we move on to more specific topics. Like linear functions, for instance.
In this section, we'll talk about domain and range. Then we'll apply it later. We'll talk about interpreting graphs. Then we'll apply it later. Hopefully, you're starting to sense a pattern here.