Question

A sequence is defined by the recursive rule a1 = -16, an = 1.5an-1. What is the fourth term in the sequence?​

Answer 1

• A sequence is defined by the recursive rule a1 = -16, an = 1.5an-1. What is the fourth term in the sequence?

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→X x K i m 0 2 x X

Answer 2

a(4) = 1.5(-36) = -54

Explanation:

a(1) = -16 is given.

a(n) = 1.5*a(n-1).

a(2) = 1.5(-16) = -24

a(3) = 1.5(-24) = - 36

a(4) = 1.5(-36) = -54