What’s the answer to this radical function

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much