Which relation is a function?
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A. (1,0). (3.0), (1, 1), (3, 1) (1, 3)
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B. (1, 1), (2.2), (3, 3), (4, 4), (5,8)
C. (2, 7). (6.5), (4,4), (3, 3), (2.1)
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D. (9. -3). (9,3), (4, -2). (4, 2). (0,0)

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation