PLeaseee Help. Please put the correct answer. And tell me how you got it so i can learn for the next problem.

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

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3