Question

-Determine whether each relation is a function. Explain your answerA. {(7,4),(6,3),(5,2)}B. {(15,0),(15,-2)}C. {(0,1),(2,1),(0,3)}

Answer 1

A. it is a fuction because for every number in the first position of the pairs it is one and only one second position number.

B. it's not a function because the number 15 has two different pairs

C. it's not a function because zero has two different pairs, 1 and 3.