Rachel invested $15,000 in a nine-year cd giving 8.5% interest, but needed to withdraw $4,000 after two years. if the cd's penalty for withdrawal was six months' worth of interest on the amount withdrawn, how much money did rachel have when the cd reached maturity, not including the amount she withdrew? round answer to the nearest whole dollar.

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x