Use an exponential model and a graphing calculator to estimate the answer to the following problem Determine how much time is required for an investment to double in value if interest is earned at the rate of 5 25% compounded annually
Let P be the starting amount, x be the number of years since the account was opened, and y be the current value of the account. Write an equation that can be used to model this situation
y=0
(Type an expression using P and x as the variables)