# Investment

1. Given the equation model

F(x) = 62 + 35 log(x) - 4

where

x represents a girl's age from 5 to 15 years.

F(x) represents the percentage of adult height.

Determine approximately what percentage of her adult height would the girl be at age 13?

2. Use the compound interest formula

A = p(1+r/n)^(nt)

to solve the problem. Find the accumulated value of an investment of 20,000 for 5 years at interest rate 60%, if the money is

a. compounded semiannually,

b. compounded quarterly, and

c. compounded monthly.

https://brainmass.com/math/algebra/equation-model-compount-interest-formula-312167

#### Solution Preview

1. Substituting the value for x, we have:

F(13) = 62 + 35 log(13) - 4

F(13) = 62 + 38.99 - 4

F(13) = 96.99

2. a. Using the ...

#### Solution Summary

This posting contains the solution to the given problems.

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