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Vijay posted an Question
October 06, 2020 • 23:11 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Let f: r> r be a constant function. then image of r under f is: (a) open (b) not open (c) empty (d) infinite.

Let f: R> R be a constant function. Then image of R under f is: (a) open (b) not open (C) empty (d) infinite.

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    Jagat Chaudhary best-answer

    yes option (b) correct. for a constant function

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    Deepak singh 1 Best Answer

    since constant function is finite , So can't be open.. because for openness , uncountablity is necessary condition. thus option b is correct if any doubt then ask

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    Thank you sir for helping in clearing my doubts.

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