At what points is the function f (x) continuous in each of the following cases? `f(x)=(x+2)/((x-1)(x-4))`

Find f''(x) in each of the following cases: f(x)=1/(x^2-4)

Find f''(x) in each of the following cases: f(x)=1/(x^2-5x+6)

Find the domain of continuity of the following functions: f(f(x)), where f (x) = 1/(x-1)

Find the range of each of the following functions: f(x)=|x-3|f(x)=1-|x-2|f(x)=(|x-4|)/(x-4)

By means of graph,examine the continuity of each of the following functions (a) f(x)=x+1 (b) f(x)=(x+2)/(x-2)

Find the range of each of the following functions: f(x)=|x-3| f(x)=1-|x-2| f(x)=(|x-4|)/(x-4)

Function f(x)={x-1,x =2 is a continuous function

For what valueof K is the following function continuous at x = 2 ? f(x)={(2x+1,when x 2):}

Check the continuity of the following functions : f(x)=x^(2)" at "x=0 .