Solve the following quadratic by using square root property. x2 + 16 = 0 A. X= 16 , x= -16

B x = 4, x= -4

C x= 4i , x= -4i

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