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1.Relations and functions, Important Questiony, LASsign ment -1, |. A relation R in a set A is Called, if Cai, az) ER implies (az,ai)ER,, for all a,, az E A., 2. check itthe relation R in the set R, od real numbers defined as, R= {ca.b); acb} is () Symmetvie ,, (i) Transitive., State the reason or the relation R, in the set { } givern by, 3., R={Cl,2), C2,DY not to be Eransitive, {\,2,3}B.{s,6,43 and let, f- {(ire),cs),(3,6) be a function, 4. Let A =, from A to B, State whethey f is, one - one or) not., 5. If tR→R be the tunction defined by, tra) = 4x+7, show that tis bijection.