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. $