Question

Let A={1,2,3,4}
B={1,5,9,11,15,16}

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

ARE THE FOLLOWING TRUR OR FALSE JUSTIFY:

1. f is a relation from A to B.
2. f is a function from A to B.

Answer 1

l think

first is true because it is a relation between them