Are the following set of ordered pairs functions? If so examine whethe

1.	Are the following set of ordered pairs functions? If so examine whether the mapping is injective or surjective. (i) f={(x,y):x is a person, y is the mother of x} (ii) g={(a,b):a is a person, b is the ancestor of a}
Answer» Are the following set of ordered pairs functions? If so examine whether the mapping is injective or surjective. (i) $f = {(x, y) : x is a person, y is the mother of x}$ (ii) $g = {(a, b) : a is a person, b is the ancestor of a}$

Are the following set of ordered pairs functions? If so examine whether the mapping is injective or surjective. (i) f={(x,y):x is a person, y is the mother of x} (ii) g={(a,b):a is a person, b is the ancestor of a}

Answer»

Are the following set of ordered pairs functions? If so examine whether the mapping is injective or surjective.

(i) $f = {(x, y) : x is a person, y is the mother of x}$

(ii) $g = {(a, b) : a is a person, b is the ancestor of a}$