~~Are you a dog or something? What is this? Just look back and forth from the food to the person and say please.~~
EDIT: okay I read through your post history, so I'm going to assume a few things about this post. Mainly that you need to look for a food bank or friendly church in the area. I'll post some links for you to look through.
I know you're looking for food and asking best how to ask without getting yelled at for it. Some of the best ways to prevent being in that position is being with a group of people that would be able to help when you are struggling. Look for groups that might interest you. Phoenix looks like they have a few different group events from bowling to darts. Meet up with friendly people and ask them. You will be able to work through a lot more issues in person.
https://gayarizona.com/phoenix/resources/
https://www.queercenteraz.org/
Note: I can't vouch for how good these resources are, but check them out. The pics seems like the people are having fun. I think finding more of a community in person will help.