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Because when you and you need don't forget that when you
Answer: The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. (In grammar school, you probably called the domain the replacement set and the range the solution set.
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Answer:
B), x=-1, y=-2, z=1.
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Answer:
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