Write the recursive formula for the geometric sequence.
a1 = -2 a2 = 8 a3 = -32
A. an = -4 + an-1
B. an = -2 + an-1
C. an = -2 • an-1
D. an = -4 • an-1

Question

Write the recursive formula for the geometric sequence.
a1 = -2  a2 = 8  a3 = -32
A. an = -4 + an-1
B. an = -2 + an-1
C. an = -2 • an-1
D. an = -4 • an-1

.sam. · Answer

wait geometric

anonymous · Answer

How do you figure it out? I have one more like this but it says explicit

anonymous · Answer

D. An=-4.A(n-1), n>1. Demonstrates:
A2 = -4.(-2) = 8.
A3 = -4.8 =32
=> An=-4.A(n-1), n>1.
(Other: A is wrong because -4 + 8 != 32
B is wrong because -2 + 8 !=32
C is wrong because -2.8 = -16 != 32)

anonymous · Answer

suppose that the population of deer in state is 1,500 and is growing 2% each year.predicit the population after 4 years. 
a. about 12,000 deer.
b.about 1,624 deer.
c. about 3,110 deer.
d. about 24,000 deer.
need help.and explain plz.