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Determine which of the following are linear functions. Give reasons

1. x + 5y + 4 = 0
2. x - (3/4)y + 7 = 0
3. y + x/3 - 2 = 0
4. 4x² + 4y² = 25
5. 2x + 5y = 7
6. 2x/3 - 5y/7 + 2 = 0
7. 7x - y = 5/x - 2​


Sagot :

Step-by-step explanation:

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