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)=(1)/(sqrt(18-x^(2))) What is the value of lim_(xto3) (\f(x)-f(3))/(x-3) ?

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