Can someone simplify these using product notation?

Add the fractions and simplify 1/2+ 1/3

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

In 2000 the average price of a football ticket was $48.28. during the next 4 years, the proce increased an average of 6% each year. a) write a model giving the average price (p), in dollars, of a ticket (t) in years after 2000.b) graph the model. estimate the year when the average ticket price was about $60