Yes, it is a function. One-to-one mappings and many-to-one can both be classified as functions; One-to-many mappings are the only kind that can't be classified as functions.
Answer from: Quest
This is a robot. try again lol. maybe you attached the wrong image.
Mandy and four of her friends want to see a movie. if m represents the cost for one person to see a movie, which expression represents the cost for mandy and her friends to see a movie?