Susan makes and sells rectangular quilts of different sizes. the width of each rectangular quilt is 3 units less than its length. the area of each quilt can be modeled by the function f(x)=x(x-3) , where x represents the length of the quilt. what is the reasonable domain of the function in the given context? a. all integers b. all integers greater than 0 c. all integers greater than 3 d. all integers greater than 3 and less than 0