Question

Graph the relation {(5, 0), (0, 5), (5, 1), (1, 5)}. Is it a function? Why or why not?

Answer 1

$\large{\underline{\underline{\bold{\red{\sf{Bonjour !}}}}}}$

the relation {(5, 0), (0, 5), (5, 1), (1, 5)} is both onto and one one function

$\large{\bold{\blue{\sf{thanks}}}}$