Roshan yadav Asked a Question
August 29, 2020 8:35 pmpts 60 pts
Which of the following is necessarily true for a functionf:x~Y? (a) If s is injective, then there exists g:YX such that s(9(u)) = y for all yEY () Iffis surjective, then there.exists g:Y>X such that f(g(u) =y for all yeY (c) is injective and Yis countable then Xis finite ()1ffis surjective and X is uncountable then Yis countably infinite
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  • Deepak singh thankyou
    any doubt then ask
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  • Deepak singh Best Answer
    option b is correct
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  • Deepak singh
    see attached
    • cropped1017683396.jpg
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