関連ワード:  is x square root a function    is x square root of a function    is square root of x 1 a function    is square root of x 4 a function    is the square root of x-2 a function    is the square root.of (x-5) a function    is x square root of x an exponential function    is f x )= square root of xa function    is y square root of x 4 a function    is y square root of x 5 a function