The function `f: R -> R` defined by `f(x)=x+sqrt(x^2)` is

The domain of the function f:R rarr R defined by f(x)=sqrt(x^(2)-3x+2) is (-oo,a]uu[b,oo) then b-a

Fill in the blank: The domain of the function f : R rarr R defined by f(x) = sqrt(x^2 - 5x + 6) is ________.

The domain of the function f: Rto R defined by f(x) = sqrt(x^(2) - 7x + 12) is

The function f: R to R defined by f(x) = 4x + 7 is

The domain of the function f :R rarr R defined by f(x)=sqrt(x^(2)-3x+2) is (-oo,a]uu[b,oo) then a+ b=

The function f : R -> R is defined by f (x) = (x-1) (x-2) (x-3) is

The function f : R -> R is defined by f (x) = (x-1) (x-2) (x-3) is

The function f : R -> R defined as f (x) =1/2 In (sqrt(sqrt(x^2+1)+x) + sqrt(sqrt(x^2+1)-x)) is