Problem 22 of 34fun-022
A function is defined by when and by when . What is the value of ?
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Solution walkthrough1:21
- A piecewise function has a different rule for each part of the -axis. The input decides which rule to use.
- is less than , so use : .
- is at least , so use : .
- Add the two results: .
- Traps: and use one rule for both inputs, and gives each input the other rule.