Jenninieofficialgo Jenninieofficialgo Math Answered 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