SOLUTION: I don't understand piece-wise functions.

Algebra.Com
Question 513232: I don't understand piece-wise functions.
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
They're just functions that are defined differently on a different domain. For example, a piece-wise function could say, "f(x) = 3x if x > 0 and f(x) = x^2 if x <= 0." To graph it, interpret it literally and graph f(x) = 3x for all x > 0, and f(x) = x^2 for all x <= 0.
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