How long does it take $6,000 to quadruple if it is invested at 9.1% interest compounded annually? a
15.9 years
b
17.8 years
c
37 years
d
222,222.22 years

1. 15.9 years

Step-by-step explanation:

You must solve this equation:

So

Take the log left and right:

use the log property that you can put the exponent in front:

n > 15.917

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.