Question

A sequence is defined recursively by the formula f(n + 1) = –2f(n). The first term of the sequence is –1.5. What is the next term in the sequence?
A –3.5
B. –3
C. 0.5
D. 3

Answer 1

Hello,


f(1)=-1.5
f(2)=-2*f(1)=-2*(-1.5)=3

Answer D