Please do (a) only. 12. Let A = R – {0} and B = R. For...

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Please do (a) only.

12. Let A = R – {0} and B = R. For the given f: A B, decide whether f is onto and whether it is one-to-one. Prove that your d

Answer 1

Answer #1

o flx) > x-1 f! A 78 A =R-403, B= R} x for one-one f(x) = f(x2) 4 for 424-42 = x - x . -4 = 104 = x2] yf is one-one. onto 1 E

Answer 2

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