Will mark of the following relations is not a function?
a (-5, 4)
(4,2)
(6, 1)
(-7,5)

b(-7,4)
(4,3)
(-5, 1)
(6,2)

c(4,4)
(-5,2)
(4,1)
(-7,2)

d(6,4)
(-5,2)
(4, 1)
(-7.2

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Match the one-to-one functions with their inverse functions.