F(n)=(4n+2)^2 what is the sequence?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

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

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.