(Solved): 4. Sketch the solid whose volume is given by the iterated integral. (a) \( \int_{-/ 2}^{3 \pi / 2} ...

4. Sketch the solid whose volume is given by the iterated integral. (a) \( \int_{-/ 2}^{3 \pi / 2} \int_{0}^{1} \int_{-1}^{2} r d z d r d \theta \) (b) \( \int_{-\pi / 2}^{\pi / 2} \int_{0}^{2} \int_{, 2}^{4} r d z d r d \theta \) (c) \( \int_{0}^{2} \int_{0}^{2 t} \int_{0}^{r} r d z d \theta d r \)