Multiple Choice Identify the choice that best completes the statement or answers the question. 11. If A(x) = cos(sinx), find f'(1). a. 0.2314 C. 0 b. 1 d. -0.4029 12. Find the slope of the tangent to y = sin( 3x + 5 ] at the point where x = 1. 0.673 C. 0.542 . -0.873 d. -0.378 13. Find the slope of the tangent to y = cos x - sin x at the point where X =- 3 TC 4 a. b . C. 2 d. 14. Find the slope of the tangent to y = 1 - 2 sin x at the point where x = a. b. -1 - 2 15. If A(x) = sinx + cosx+ = x3, find f"(x). b. NU d. LL 16. If A(x) = tanx + 7x, find "[}). a. C. 8 3 b. 3 d. 3 17. If A(x) = 2cos x + x3 + x2 - 1, find f| 3x. a. b. 6 d. 18. If A(x) = sin(nx) + cos(nx), find f*|". a. 72 C. 0 d 19. If A(x) - cos (nx) - sin(nx), find f" -8723 C. b. -8 d. -472 20. If A(x) = = sin(nx) a. -1 b. 1 d