Differentiate each of the following functions: 1. y=x+1 3. y = x-2 5. y = x + x 7. y = 3x + 4x 9. y=5x-7x+2 2. y = 3x + 2 4. y=x-2r 6. y=4x-x+2 8. y=5x-3x+6 10. y = 10 + 6' - 12r 11. y=7x--x+2 12. y 5x7-8x+x-3 13. y=x++x 2+x 14. y= 2 15. y= 42 16. y 2 3 55 17. y = 7x-5x-3x- 2 18. y=-- V5 19. y = V2 V51+ 2+#