An Investment earns 7% interest, compounded annually. The amount A, that investment is worth as a function of time ,t, in years, is given by A(t)=500(1.07)t a)Use the equation to determine the value of the investment 1) initially, when t=0 2) after 2 years 3) after 4years b) How long will it take for the investment to 1) double in value? 2) triple in value Explain change of base formula with an example The loudness of a heavy snore is 73 dB and the loudness of a normal conversation is 60 dB. How many times more intense is the snore