A contractor has 75 feet of safety rail. The foreman is going to install it in such a way that the work area is
divided into two congruent rectangles. The table
represents the total fenced area, a(s), depending on
the length of the shared side, s.
The equation a(s) = 37.55 - 1.582 models the function
represented in the table. Fill in the blank to complete
the restricted domain of the function. D = {0 SSS
s
a(s)
9
216
11
231
13
234
15
225