Question

(Pls need help ASAP) Willing to give 10 points for 1 question)

Answer 1

D. {(1,2) , (2,3) , (3,4) , (4,5)}

Explanation:

Functions are relations with one output for any unique input. Relations that pass the vertical line test have one output for each input. In this case, D was the only set that met the criteria.