Unit+2-Domain+and+Range

= = =Helpful Videos = = __Domain and Range__ = *****NOTE: In this video, you may see some unfamiliar notation, such as "f(x)." Don't worry-- f(x) just means "y." They're just two different ways of representing "outputs."** **Anytime you see f(x) or hear "f of x," you can just replace it with a "y."**

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Summary questions:

 * 1. What is the //domain// of #5a? What is the //range?//**
 * 2. Graph problem #5b. At what x-value does this relation //fail// the vertical line test?**
 * 3. Is there any vertical line that would cross #10b only //once?// Explain how you can tell.**
 * 4. Sketch a function and a non-function (rough sketch--no need to be too picky!)**