2008 AMC 12A Problems/Problem 12
Problem
A function has domain and range . (The notation denotes .) What are the domain and range, respectively, of the function defined by ?
Solution
is defined if is defined. Thus the domain is all .
Since , . Thus is the range of .
Thus the answer is .
See Also
2008 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 11 |
Followed by Problem 13 |
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All AMC 12 Problems and Solutions |