Which of the following statements best represents the relationship between a relation and a function. 1. a function is always a relation but a relation is not always a function. 2. a relation is always a function but a function is not always a relation. 3. a relation is never a function but a function is always a relation.

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212