MathematicsEasy66×since 2002Q4068The domain of the function f(x)=sin−1(x2−3x+2x2+2x+7)f(x)=\sin ^{-1}\left(\frac{x^{2}-3 x+2}{x^{2}+2 x+7}\right)f(x)=sin−1(x2+2x+7x2−3x+2) is :A[1,∞)[1, \infty)[1,∞)B[−1,2][-1,2][−1,2]C[−1,∞)[-1, \infty)[−1,∞)D(−∞,2](-\infty, 2](−∞,2]Check answerSkip