Question

So totally confused please help

Answer 1

The answer to your question is: r = 0.1

Explanation:

Data

P = $4500

A = $9000

t = 9 years

r = rate

Formula

`r = \sqrt[t]{(A)/(P)} - 1\\`

Substitution

Simplification

`r = \sqrt[9]{2} - 1`

Result

r = 1.08 - 1

r = 0.08 ≈ 0.1