$\displaystyle A=$Amperage $\displaystyle C=$Coulombs

$\displaystyle i(t)= 3A$, $\displaystyle q(0) = 1C$

The Ans is $\displaystyle 3t+1$

this is very new subject to me but I assume we want to use

$\displaystyle

Q \triangleq \int_{t_0}^t i \ dt

$