The explicit rule for a sequence is an=5(-2)^n-1
what is the recursive rule for the sequence?
a.) an=-5(an+1),
a1=2
b.) an= -2(an-1),
a1-=5
c.) an=-2(an+1),
a1=5
d.) an= -5(an-1),
an= 5(-2)n-1
Recursive rule :
an = (-2) an-1 a1 = 5
+155 
