28. Determine convergence or divergence of the series.29. Find

Determine convergence or divergence of the alternating series.28)(-1)nn=14n3 + 4A) DivergesB) ConvergesFind the volume of the solid generated by revolving the region about the y-axis.29) The region in the first quadrant bounded on the left by y = , on the right by the line x = 4, andabove by the line y = 216A) 3B) 24nC) 167D) 8nFind the value of df-1/dx at x = f(a).30) f(x) = x2 - 7x + 1; a =3A) -1B )C) 73D) - 1