Find `f'(x)` if `f(x)=sqrt(x^(2)+1)`

Let f(x)=sqrt(1+x^(2)) then

Find the largest possible domain for the real valued function f defined by f(x)=sqrt(9-x^(2))/sqrt(x^(2)-1)

Find the domain and range of f(x)=sqrt(4-16x^(2)) .

Find the range of f(x)=sqrt((cos^(-1)sqrt((1-x^2))-sin^(-1)x))

find the domain of f(x)=sqrt((1-|x|)/(2-|x|))

Find the domain of f(x)=1/(sqrt(x-[x])) (b) f(x)=1/(log[x]) f(x)=log{x}

Find the range of f(x) = sqrt(x-1)+sqrt(5-x)