When Lucy was 10 years old, her father invested $2500 in a fixed rate savings account at a rate of 8%
compounded semiannually. When Lucy turns 18, the
money will help to buy her
a car. What amount of money will Lucy receive from
the investment?

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.