What is the recursive rule for the sequence?
−2.7, −8.3, −13.9, −19.5, −25.1, ...
A) an = an + 1 − 5.6, where a1 = −2.7
B) an = an − 1 + 5.6, where a1 = −2.7
C) an = an − 1 − 5.6, where a1 = −2.7
D) an = an + 1 + 5.6, where a1 = −2.7

Thanks to anyone who helps!