Question 3 0 / 1 point Find the value of the constant a (round to 2 decimal places, if needed) so that volume of the solid obtained by rotating the region _ _ _ 1 . . bounded byy (Ix/)2}; 0,x W about the x-aXIs IS 19. Answer: 3.48 x (6.16) Question 4 1 / 1 point Choose the best answer: 00 Based on the definition given in the textbook and the lecture notes, the integral / x3 dx oo is convergent to i is equal to 0. is convergent to O. evaluates to 00. is convergent but it is impossible to find its exact value. is divergent to 00 J 0 is divergent