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Solving Mapping / Set Problems: F(x) and R = All Real Numbers | Homework Help
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[QUOTE="Chas3down, post: 4984977, member: 431876"] [h2]Homework Statement [/h2] R = all real numbers F(x) = { y in R : sin(y) = x} 1. Is F a mapping from R to R 2. Describe the three sets F(5), F(0), F(1). 3.Can F be represtented as a function from R to R 4. Give two different choices of X and Y (take both X and Y to be subsets of ?) so that F can be represented as a function say f X -> Y.[h2]Homework Equations[/h2] N/A [h2]The Attempt at a Solution[/h2] Just double checking my answers and not sure on last 2. 1. No, it is a mapping from -1 to 1. 2. F(5) = Null set, F(0) = 0 and pi, f(1) = pi/2 and 3pi/2 3. No, the range of the function is only from -1 to 1. ?(Not sure on this one) 4. No clue. [/QUOTE]
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Solving Mapping / Set Problems: F(x) and R = All Real Numbers | Homework Help
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