Chapter 1.01 part 1

If you see MTH/MTHT next to a problem, that means it is recommended just for Math majors/minors (MTH) and secondary-ed-math people (MTHT).

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QA stands for "Question A", QB for "Question B", etc.
Most homeworks will have some of these questions on important topics that the book didn't cover.
Sometimes it's best to do one of these problems between two of the book exercises, so always look at them first to see if there's a preferred sequence.

QA: A function is called "non-decreasing" or "weakly increasing" if f(x1)<=f(x2) whenever x1 < x2 in some interval. Draw an example of a graph that is nondecreasing but is not increasing, according to the book's definition of increasing.

QB: Read this important information: What the book defines as "increasing", some people would call "strictly increasing"--these people use "increasing" to mean "non-decreasing" or "weakly increasing". Done! Wasn't that an easy problem?