Evaluate the integral:

a$){\displaystyle \underset{-1}{\overset{2}{}}}(x^3-2x)dx$

$9$

Math $3$A

Section $5\mathrm{.}3$

b$){\displaystyle \underset{1}{\overset{8}{}}}{x}^{-\frac{2}{3}}dx$

c$){\displaystyle \underset{0}{\overset{4}{}}}(4-t)\sqrt[\phantom{2}]{t}dt$

d$){\displaystyle \underset{0}{\overset{3}{}}}(2sinx-e^x)dx$ Please show all work