An investment is worth 3800 dollars at time $t = 0$, with $t$ measured in years.

(a) If the investment's value grows by 110 dollars per year, find a formula for the value, $V$, at time $t$.
$V =$ help (formulas)

(b) If the investment's value grows by 11% per year, find a formula for the value, $V$, at time $t$.
$V =$ help (formulas)