Finding Antiderivatives and Indefinite Integrals Practice Test

A chemical amount changes at rate $A'(t)=\frac{1}{2}t^4-3t^2$. Which is an antiderivative of $A'(t)$?

A chemical amount changes at rate $A'(t)=4t^9+11$. Which expression is a general antiderivative of $A'(t)$?​