You invest $300 in an account at interest rate r, compounded continuously. Find the time required for the amount to double and triple. (Round your answers to two decimal places.) 1' = 0.065 (a) double |:|vr (b) triple |:|vr Solve the exponential equation algebraically. Approximate the result to three decimal places. (Enter your answers as a comma-separated list.) a(10 ) = 14 [-/7.14 Points] DETAILS LARPCALCLIM3 3.4.049. Solve the logarithmic equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.) 4 In 7x = 7