Use the given x and y values to write a direct variation equation and find y given that x=12

The equation respenting the left table is

Which of the following is true for the relation f(x)=2x^2+1

Need ! 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?