Which of the followings are relations from {x, y, z} to {a, b, c, d} {(x, c), (y, y)}

Which of the followings are relations from {x, y, z} to {a, b, c, d} ,{(x, d),(y, b),(z, c)}

Which of the followings are relations from {x, y, z} to {a, b, c, d} {(x, a),(x, b),(x, c), (x, d),(y, a) (y, b),(y, c),(y, d)}

Which of the followings are relations from {x, y, z} to {a, b, c, d} {(a, x),(b,y), (c, z)}

Which of the followings are relations from {x, y, z} to {a, b, c, d} {a, b, c, d, x, y, z}

Which.of the following relations are functions?f= {(a, x), (b, y), (c, z)}

A relation is defined by {(x, y):x>y+ 5}, in the set of non-negative integers. Which of the following ordered pairs are elements of the given relation? (1,0)

A relation is defined by {(x, y):x>y+ 5}, in the set of non-negative integers. Which of the following ordered pairs are elements of the given relation? (8,2)

A relation is defined by {(x, y):x>y+ 5}, in the set of non-negative integers. Which of the following ordered pairs are elements of the given relation? (0,1)

A relation is defined by {(x, y):x>y+ 5}, in the set of non-negative integers. Which of the following ordered pairs are elements of the given relation? (2,8)

A relation is defined by {(x, y):x>y+ 5}, in the set of non-negative integers. Which of the following ordered pairs are elements of the given relation? (6,0)