Is 1/2 rational or irrational ​

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

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

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section