Let `X={1,2,3,4}a n d\ Y={1,5,9, 11 , 15 , 16}` Determine which of the following sets are functions from `X\ to\ Y` `f_1={(1,1),\ (2, 11),\ (3,1),\ (4, 15)}`

Let X={1,2,3,4}a n d\ Y={1,5,9, 11 , 15 , 16} Determine which of the following sets are functions from X\ to\ Y f_2={(1,1),\ (2,7),\ (3,5)} and f_3={(1,5),(2,9), (3,1), (4,5),(2,11)}

Let X = {1, 2, 3, 4} and Y = {1, 3, 5, 7,9} . Which of the following is relations from X to Y if R= { (1,1), (2,1), (3,3), (4, 3), (5,5)}

Let X = {1, 2, 3, 4} and Y = {1, 3, 5, 7,9} . Which of the following is relations from X to Y

What is the fundamental difference between a function and a relation ? Let X={1,2,3,4} and Y={1,5,9,11,15,16} . Determine which of the following sets are : (i) relation (ii) function (iii) neither

Let X = { 1, 2, 3} and Y= {4, 5}. Find whether the following subsets of X xx Y are functions from X to Y or not. (i) f = {(1, 4), (1, 5), (2, 4), (3, 5)} (ii) g = {(1, 4), (2, 4), (3, 4)} (iii) h = {(1, 4), (2, 5), (3, 5) } (iv) k = {(1, 4), (2, 5)}

Let X={1,2,3,4,5} and Y={1,3,5,7,9} . Which of the following is not a relation from X to Y

Let X={1,2,3,4} . Determine whether or not each relation is a function from X into X. f={(2,3),(1,4),(2,1),(3,2),(4,4)}

Let X={1,2,3,4} . Determine whether or not each relation is a function from X into X. g={(3,1),(4,2),(1,1)}

Describe the following set in set builder form: B= { 1,1/2,1/3,1/4,1/4,.. }

Find the inverse of the function f: [-1,1] to [-1,1],f(x) =x^(2) xx sgn (x).