so 21 - 13, the money will be invested for 8 years.

The value of f(5) is -37
<em><u>Solution:</u></em>
<em><u>Given function is:</u></em>

We have to find the value of f(5)
To find the value of f(5), we have to substitute x is equal to 5 in given function
Plug in x = 5 in f(x)

Thus value of f(5) is -37
Answer:
20.65%
Step-by-step explanation:

I think the answer to your question might be 6