Find the value range of the independent variable x in the following functions (1) y = x & # 178; - X-2 (2) y = 3 / 4x-5 (3) y = radical (x + 3) Find the value range of the independent variable x in the following functions (1)y=x²-x-2 (2)y=3/4x-5 (3) Y = radical (x + 3)

Find the value range of the independent variable x in the following functions (1) y = x & # 178; - X-2 (2) y = 3 / 4x-5 (3) y = radical (x + 3) Find the value range of the independent variable x in the following functions (1)y=x²-x-2 (2)y=3/4x-5 (3) Y = radical (x + 3)

(1)R
(2)4x-5≠0,{x|x≠5/4}
(3)x+3≥0,{x|x≥-3}