If f and g are two functions over real numbers defined as `f(x)=3x+1`,`g(x)=x^2+2`,then find `fg`.

If f and g are two functions over real numbers defined as f(x)=3x+1 , g(x)=x^2+2 ,then find f+g .

If f and g are two functions over real numbers defined as f(x)=3x+1 , g(x)=x^2+2 ,then find f-g .

If f and g are two functions over real numbers defined as f(x)=3x+1 , g(x)=x^2+2 ,then find f/g .

If f(x)=|x| and g(x)=|5x-2| , then find gof.

If f:RtoR is defined by f(x)=x^(2)-3x+2 , find f(f(x)) .

If f,g: RrarrR are defined respectively-by f(x)=x+1, g(x)=2x^2+3 ,find (fg)x,

Let g:RrarrR and f:RrarrR is defined as f(x)=2x and g(x)=x^2 . Find f0g and g0f .

Let f:R toR and g:R to R be two functions given by f(x)=cosx and g(x)=3x^(2) . Show that gof!=fog .

Let f:R to R and g: R to R be two functions defined by f(x)=|x|" and "g(x)=[x] , where [x] denotes the greatest integer less than or equal to x. Find (fog) (5.75) and (gof)(-sqrt(5)) .

lf f(x) = [x] and g (x) = |x |, find (gf)(1.5)