I. Discuss the properties of the curve and sketch a ) y = xex b ) y = 1t lix X II Find the second derivative (y") of the Following functions and simplify the Final results. ". cos ( xy ) + secy = 5 2. Arcsin ( x / 4 ) = 4X+ By 3. 4In ( Arctan x ) = 1-4 4 4 = 5/ (sin 3* + cos3x ) 5. @ (2x -1 ) = 2x -1 6. In ( * 242 ) = x2 tix3 7. 4 = Arccos (e 2x) 8 y = log *-1 9. * Arctanx - In / x 2 +1 = u 10. 4 = (e- 3*+4 + 2)/ (petox+ 1 )