Two functions f and g are given by `f={(1,2),(3,5),(4,1)}` and `g={(2,3),(5,1),(1,3)}`. Find fog and gof if exist.

Let A={1,2,3,5} and let f={(1,5),(2,1),(3,3),(5,2)} and g ={(1,3),(2,1),(3,2),(5,5)} . Find fog

Let A={1,2,3,4} be a given set and f : A rarr A, g : A rarr A be two given functions such that f={(1,4),(2,1),(3,3),(4,2)} g={(1,3),(2,1),(3,2),(4,4)} Find gof, fog, fof, gog .

If f(x)=(x) and g(x)=(5x-2) Find f0g and g0f

If A={-3,-1,1,3} and f={(x,1/x)} Find d.

If A = ((2,3,-4),(1,0,6),(-2,1,5)) and B = ((5,1,2),(6,-1,4),(5,3,-4)) find 2A - 3B .

Is the function f : A rarr B one-one and onto? : A={1,2,3}, B={a,b,c}, f={(1,a),(2,b),(3,b)}

If A={-3,-1,1,3} and f={(x,1/x)} Find : R_f

Is the function f : A rarr B one-one and onto? : A={1,2,3},B={a,b,c,d},f={(1,a),(2,b),(3,c)}

Find the matrices A and B if A+2B=[(1,2,0),(6,-3,3),(-5,3,1)] and 2A-B=[(2,-1,5),(2,-1,6),(0,1,2)]

Find f0g and g0f : f(x)=x+1 , g(x)=cosx