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eduard
2 years ago
14

Chec

Mathematics
1 answer:
nexus9112 [7]2 years ago
8 0

Answer:

Functions: y = -x + 11, y = 2x^2 - 6x + 4, y = 7

Not Functions: x = 3, x^2 + y^2 = 81, y^2 = -5x - 12

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