You use magnet to pick up nail, then use the nail to pick up a paper clip. What type of magnetism is the nail demonstrating?

Me with this one question, and i'll upvote the brainliest answer

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Is there an x intercept in the equation 60*1.15^x