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April 17, 2014

Homework Help: math

Posted by victoria on Wednesday, May 23, 2012 at 10:57am.

v(t)= Ce^(k(square root(t))

Suppose that the dealer, who is 25 years old, decides to sell the card at time , sometime in the next 40 years: 0< or equal to t < or equal to 40. At that time , heíll invest the money he gets for the sale of the card in a bank account that earns an interest rate of r , compounded continuously. (This means that after years, an initial investment of will be worth Ie^(rt).) When he turns 65, heíll take the money thatís in his bank account and begin to draw on it for his retirement. Let A be the amount of money in his account when he turns 65.

4. Write an expression for A(t), the amount of money in the dealerís account when he turns 65 written as a function of t , the time at which he sells the baseball card.

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