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Question: functions images domain of definition discrete math...

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Functions / Images / Domain of Definition { Discrete Math } Using questions from #12 solve #14 and #15!! please explain thanks!! 12. Consider the functionf R-R (e) What is the domain of definition of f? b) Explain why the range of f is not R (c What is (or are) the image(s) of o? (d) What is (or are) the preimage(s) of o? (e Assume the codomain of f is R instead of R What is then the domain of detinition of 13. Same questions as above when f R R 14. Same questions as above when f: R R IS. Same questions as above when f R -R

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