UP TGT Mathematics Set Theory Test Series - Part 5

A function f:A→B is surjective if

Type: MCQ • Marks: 1
A function f:A→B is surjective if
Options
A. A and B are disjoint
B. every element of B is an image of some element of A
C. f(a)=a for all a
D. every element of A has two images
Explanation
Surjectivity means the range equals the codomain.
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