Which of the following expressions represents a function?

x² + y² = 9

{ (4,2), (4, - 2), (9,3), (9, - 3) }

x=4

2x + y = 5

Davis notices that his hair is decreasingly exponentially at a rate of 10% per year. If he starts with 100,000 on his head, how many will he have after 3 years?

Factor completely and show work 1. t^6 - 64 2. y² + 5y - 84 3.18x^4 - 72x² 4.9p² - 54p + 72 5. (x^2 - x - 6) / (x^2 - 9)

What is 1/3 plus 1/4

Express 84,42 as a percentage of 74,05 rounded off to a whole number

If Lisa has 2 dogs and she gives 1 dog away, how many dogs does she have left?

Which ordered pair in the form (x, y) is a solution of this equation? 7x-5y=1 A] (-3,-2) B] (-2,-3) C] (0,4) D] (4,0)

How do u show two ways three people can share a 5 segment chewy fruit worm

58%,0.62,31/50 least greatest

Select the number sentence that illustrates the commutative property of addition. Select one of the options below as your answer: A. 22 + 11 = 33 B. 22 - 11 = 11 C. 22 + 11 = 11 + 22 D. 22 + 11 = 22 + 5 + 6

8a-1 0.5b when a = 1/4 and b = 10