C-09-Q143mediumsingle_mcqDomain and range of f(x)=lnxf(x) = \ln xf(x)=lnx are respectively:aRRR and (0,∞)(0, \infty)(0,∞)b(0,∞)(0, \infty)(0,∞) and RRRc(0,∞)(0, \infty)(0,∞) and (0,∞)(0, \infty)(0,∞)dRRR and RRR