Find the indicated derivatives 1. & (3x3 - 5x) 4 2. d [4x9 - 5x6 + 5x2 + 13x -17 -3x-1 +9x-4/31 3. & cscz x 4. (sin x) (2x + 1) 4 5. & sin(2x3) 6. d 1 + sin x dx 1 + cos x (7 - 5x) 3(x + 21) 5 8. d (2x - 3) dx x2 - 4 Find dx 9. x3 - xy + yz = 1 10. sin(xy) = cos(xy) Find the equation of the tangent line at the indicated value. 11. f(x) = 3x2 - 4x + 1 when x = 0. 12. g(x) = sin x when x = 1 /4