Select all that apply. Which set of ordered pairs represent a function?

a. {(-7,0), (9,-1),(-4,3), (-4,-2)}
b. {(-1,3), (-10,-5),(-1,-6),(-1, -2)}
c. {(-9,-5), (6,-9), (6, -10), (6, 7)}
d. {(3,3), (3, -1),(3,5), (3,7)}
e. None of the above

c. none of the above

Step-by-step explanation:

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

sorry man i accidentally pressed yes my bad

step-by-step explanation: