The Perimeter of a Square Depends on the Length of Its

Essay

The perimeter of a square depends on the length of its side.
(a)Write a function p(l)for the perimeter of a square.
(b)How much linear fencing material is needed to fence a square garden of length x?
(c)If the sides of the square garden are increased by 3 feet,how much more linear fencing material is needed?
(d)How much more linear fencing material is needed per foot increase?
(e)If the sides of the square garden is increased by h,how much more linear fencing material is needed?
(f)How much more linear fencing material is needed per unit increase?