Determine which of the following are functions. Select all that apply. {(-4, 2), (-2, 1), (-1, 3) (-1, 4), (0, 5), (2, 5)} y = -4x² + 45x + 9

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

the answer is c just got it on ed

step-by-step explanation:

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

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