How does the graph of cos2A look like?

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Answer! if you don’t mind, can you explain