Question

is this a function/Relation ?

Answer 1

Let

\(A=\{1,2,3,4\} \)
, \(B=\{1,5,9,11,15,16\}\) and

\(f=\{(1,5),(2,9),(3,1),(4,5),(2,11)\}\)

are the following true?

1.)\(f\) is a function from \(A\) to \(B\)


2.)\(f\) is a relation from \(A\) to \(B\)

Answer 2

@peachpi