Functions Question 704

Question: Let $ A={1,2,3} $ and $ B={a,b,c}. $ If f is a function from A to B and g is a one-one function from A to B, then the maximum number of definitions of

Options:

A) f is 9

B) g is 9

C) f is 27

D) g is 16

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Number of definitions = Number of mapping from A to B $ =3\times 3\times 3=27. $