## Algebra 1: Common Core (15th Edition)

Answer choice $B$: $3 + (n-1)(5)$
The common difference between each term is $5$. The first term is $3$. $a + (n-1)d$, This is the formula for finding a function rule, $a$ is the first term and $d$ is the common difference. Plug these values in. $\boxed{3 + (n-1)(5)}$ The answer is $\boxed{B}$