Gonzalez Pool company wants to build a rectangular swimming pool with the top of the pool having surface area 1000 ft2. The pool is required to have a walk of uniform width 2 ft surrounding it. Let x be the length of one side of the pool.

The area of the plot of land needed for the pool and the sidewalk can be expressed using the function: A = (x + 4)( 1000/4 +4). (thats not devided by thats like 1000 over 4, like a fraction)


a. Find the dimensions of the plot of land that has the least area.
b. What is the least area?

I have no idea what to do here please help