2. What is the amount of time required for an investment to double at a rate of 8.2% if the interest is compounded continuously? (C) 3. Find the balance in an account at the end of 5 years if $12,000 is invested at an interest rate of 2.75% compounded monthly (C) 4. Find the principal of an account if at the end of 8 years the balance is $7000 and was invested at an interest rate of 12% compounded continuously. (C) log x + log.(x - 2) INC mot bindingol ni 6. The number of seniors at Freedmont High School was 241 in 2003. If the number of seniors increases exponentially at a rate of 1.7% per year, how many seniors will be in the class of 2015? (C)