MathematicsEasy110×since 2002Q3888Let 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 :A[−12,12]\left[ { - {1 \over 2},{1 \over 2}} \right][−21,21]BR−[−12,12]R - \left[ { - {1 \over 2},{1 \over 2}} \right]R−[−21,21]C(−-− 1, 1) −-− {0}DR −-− [−-−1, 1]Check answerSkip