Question

Examine the following situations and determine which represents a function rule:

A Ariel earns $10 for each hour she babysits.
B The size of a carton and the number of presents in the carton.
C Maya pushes the Mountain Dew button on a soda machine and receives a can of Mountain Dew. She then pushes the same Mountain Dew button again and receives a can of Mr. Pibb this time.
D Phineas weighs 156 pounds. When Phineas's parents measured his height, his mom says he is 63 inches tall while his dad says Phineas is 70 inches tall.

Answer 1

hm. try looking for the choice where you can write a function

output = input*constant

if that doesn't make sense let me know, i'm having a hard time explaining this one haha ;;