Which of the following ordered pair could NOT be included in this set if it is a function? { (-4, 2), (3, 6), (4, 3), (?, ?) }
(3, 6)
(1, 2)
(-3, 6)
(4, -3)

Me because some of question i don’t understand

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

5cakes cost 3.50 how much do 7 cakes cost