Question

Word problem...please help

Answer 1

A geometric sequence having \(a\) as first term and \(r\) as common ratio is represented as:
\(a, ar, ar^2, ar^3, \cdots \cdots \cdots ar^{n-1}\)

Answer 2

Use this approach to write the sequence you are given in your question..
First term i.e \(a\) is \(18\) and \(r\) is 1/2.

Answer 3

The attached visual may help. @HaileyD

Answer 4

thanks i got it

Answer 5

Did you sketch the graph?