関連ワード:  domain of function root x    domain of function root x 1    domain of function root x-2    domain of function root 4x x 2    domain of function root 9 x2    domain of function root 4 x 2    domain of function root 2 2x x2    domain and range of function root x-1    domain of function sin inverse root x 1    domain of the function sqrt x 2 7x 10