Let A= 1,2,3 and B= 1,2,4 , then f= (1,1),(1,2),(2,1),(3,4) is a - Vidyadip

MCQ

Let $A=\{1,2,3\}$ and $B=\{1,2,4\}$, then $f=\{(1,1),(1,2),(2,1),(3,4)\}$ is a

A
one-one function from $A$ to $B$
B
bijection from $A$ to $B$
C
surjection from $A$ to $B$
✓
None of these

✓

Answer

Correct option: D.

None of these

(d) : Here, $f$ is not a function from $A$ to $B$ as $f(1)$ is not unique.

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