JEE Main 201911 Jan, Morning shiftMathematicsEasySets, Relations and Functions168× since 2002Let f : R →\to→ R be defined by f(x) = x1+x2,x∈R{x \over {1 + {x^2}}},x \in R1+x2x,x∈R. Then the range of f is :AOption A. [−12,12]\left[ { - {1 \over 2},{1 \over 2}} \right][−21,21]BOption B. R−[−12,12]R - \left[ { - {1 \over 2},{1 \over 2}} \right]R−[−21,21]COption C. (−-− 1, 1) −-− {0}DOption D. R −-− [−-−1, 1]CheckSkip · show solution
