24.55 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) = 37.5s - 1.5s2 models the function
represented in the table. Fill in the blank to complete the
restricted domain of the function. D = {0 sss
s
als
9
216
11
231
13
234
15
225