" 4),The number of tunctions "£:S rarr S" .Such that "f(i)<=2" for all "i in S" is equal to "2^(k)" where "k

Let S={1,2,3,4). The number of functions f:S rarr S. such that f(i)<=2i for all i in S is

Let S = {1, 2, 3, 4). The number of functions f: S->S. Such that f(i) le 2i for all i in S is

Let S= {1,2,3,4 5,6, 7} . Then the number of possible functions f: S rarr S such that f(m.n)= f(m).f(n) for every m, n in S and m.n in S is equal to ____

If f:A rarr B,A={1,2,3,4},B={1,2,3} and f(i)!=i then the number of onto functions from A to B is

Let S be the set of all triangles and R^(+) be the set of positive real numbers. Then the function f: S rarr R, f(Delta)= area of Delta , where Delta in S , is

Let S be the set of all triangles and R^(+) be the set of positive real numbers,then the function f:S rarr R^(+),f(Delta)= Perimeter of Delta in S then ^( tf is )

Let A={1,2,3,4,5} and f:A rarr A be an into function such that f(i) nei, forall i in A , then number of such functions f are

The number of integers in the domain of function, satisfying f(x)+f(x^(-1))=(x^3+1)/x ,i s_____