Given the explicit formula, find the 7th term.
an = −3 + (n − 1)5
A. 27
B. 32
C. 42
D. 30
To find the 7th term, we substitute n = 7 into the explicit formula:
a7 = -3 + (7 - 1)5
a7 = -3 + 6(5)
a7 = -3 + 30
a7 = 27
Therefore, the 7th term is 27, which corresponds to option A.