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

Let f(x) =sqrt(9-x^(2))." then , domain " (f ) =?

Let f (x)= (x)/(sqrt(1+x^(2))) then n times(fo fo fo ......of)(x) is :

Let f (x)= (x)/(sqrt(1+x^(2))) then ubrace(fo fo fo ......of)(x) is :

Let f(x)=(1)/(sqrt(18-x^(2))) The value of Lt_(x rarr3)(f(x)-f(3))/(x-3) is

Let f(x)={( sqrt(1+x^(2))",", x lt sqrt(3)),(sqrt(3)x-1",", sqrt(3) le x lt 4),([x]",",4 le x lt 5),(|1-x|",",x ge 5):} , where [x] is the greatest integer le x . The number of points of discontinuity of f(x) in R is

Let f(x)=log(x+sqrt(x^(2)+1)), then f'(x) equals.

Let f(x) = sqrt(1-sqrt(1-x^2) then f(x) is

Let f:R rarr R be defined by f(x)=In(x+sqrt(x^(2)+1)), then number of solutions of |f^(-1)(x)|=e^(-|x|) is :