A city is planning to build a square-shaped playscape at a city park.
The table shows several values for A, the area of the playscape, in square feet, and f(A), the length, in feet, of one side of the playscape. The function represented is .
About how many square feet are in the playscape if the length of a side is 63 feet?
4,000
4,160
4,489
4,830