Given the explicit formula, find the 5th term.

an = −3 + (n − 1)5

To find the 5th term, we plug in the value of n as 5 into the given formula:

a5 = -3 + (5 - 1)5
= -3 + 4(5)
= -3 + 20
= 17

Therefore, the 5th term is 17.