Question

. Which of the following best describes the ordered pairs listed below?

(-1, -7), (2, -13), (-1, -21), (10, -29)
neither a relation nor a function
relation only
both a relation and a function
function only

Answer 1

in a function no x value repeates

Answer 2

check if any x value repeates in this set

Answer 3

how i was not paying atinshion class so idk how to do this