This graph shows the outside temperature (in degrees Celsius) over the course of 12 hours, starting at midnight (x = 0). Part I: a) What is the domain? _ b) What does the domain mean in terms of the problem?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?