Which values of x do we choose? Trigonometry.
For the following functions, think about "How to graph like a math teacher."
Math teachers want to sketch graphs quickly and efficiently and choose
values of x that work "nicely" in the equation and generate integer
values of y, thus making it easier to graph.
Which points in the graph:
- are best found by inspection?
- are best found by substitution?
- are best found by symmetry?
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