a patio is to be made using square paving stones that are all the same size. there will be no gaps between the paving stones, and they will not overlap. the line in the xy-plane above represents the relationship between the area y, in square feet, of the patio and the number of paving stones, x, used to make the patio. the top surface of each paving stone is a square with side length k feet. what is the value of k? a) 1 b) 2 c) 3 d) 4
