1. let f:r>r be a continuous function such that: f)-f)2 log(1+-). for all x.y e r then (a) fis injective but not surjective (c) fis neither injective nor surjec

1. Let f:R>R be a continuous function such that: f)-f)2 log(1+-). for all x.y e R Then (a) fis injective but not surjective (c) fis neither injective nor surjective (b)fis surjective but not injecti (dyf is bijective