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The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Which of the following tables represents exponential functions?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years