The speed of a Tsunami in feet/sec is given by the function S= 32 d
where d is the depth of the water in feet.
What is the most accurate prediction of the depth of the water
for a Tsunami wave traveling at 800 feet/ sec

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