Discrete Math Question:

The set of positive integers is _________ .
a) Infinite
b) Finite
c) Subset
d) Empty

a) Infinite

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A function is said to be ______________, if and only if f(a) = f(b) implies that a = b for all a and b in the domain of f. a) One-to-many b) One-to-one c) Many-to-many d) Many-to-one	The value of ⌊1/2.⌊5/2⌋ ⌋ is _______________. a) 1 b) 2 c) 3 d) 0.5