Radom points Answer question right to get it

Which of the following lists of ordered pairs is a function?

Agenre's iconography consists of: a. its characteristic objects, settings, and stars b. the sum of all its conventions c. its use of recurring subject matter d. its typical plot patterns

Which one of these percussion instruments is not part of a standard drum set or drum kit? a. ride cymbal b. bongo drum c. snare drum d. bass drum