Question

The number of functions that can be defined from the set $A \,= \\{a, b, c, d\\}$ into the set $B\, =\\{1,2,3\\}$ is equal to

• A. $12$
• B. $24$
• C. $64$
• D. $81$

Answer 1

Answer: (D)

$81$

Answer 2

The defined answer is given below: