ONLY QUESTION 9, 19, and 42 please

7-52 Find the derivative of the function. 7. f(x) = (2x3 - 5x] + 4) 8. f(x) = (x' + 3x] -x)> 1 9. /(x) = 15x + 1 10. /(X)= 1 11. g(1) = 12. F(O) (27 + 1) 2 + 1 13. f(0) = cos(0]) 14. g(0) = cos30 15. g(x) = ex-x 16. y = 5 17. yexe 18. /(r) = / sin or 19. f(i) = e" sin br 20. A(r) = r . 8+2+1 21. F(x) = (4x + 5) (x] - 2x + 5) 22. G(=) = (1 - 42)7/23 + 1 T 23. }= 24. y = * + x+1 X 25. yet 26. f(i) = 2" 1 + sin f 27. g(u) = 3+1 28. 5(1) 1 + cos ! 29. r() = 1014 30. f(z) = =/6:-1) (r - 1)' 31. H(r) = (2r + 1)5 32. J(0) = tan (ne) 33. Fit = ersin a 34. F() = VP + 1 + 35. G(x) = 49: 36. U(y) = + 37. /(x) = sin x cos( 1 - x]) 38. g(x) = e"'cos(x') 39. Fin = tan 1+ 3 40. G(=) = (1 + cos z) 41. y - sin (x' + 1) 42. yes2 + sin(e?)