Select the correct answer CityCorp has purchased a new office building. In order to design the cubicles for employees, the company must find the dimensions for a square
Cubical that will correspond to a specific square footage. The company will consider cubicles with a total square footage between, and including,
100 and 900 square feet.
The graph shows the side length, f(a), in feet, of a cubicle that has a total square footage of a square feet. What interval describes the acceptable
side lengths for the given range of total square footage?

A.(10,30)
B. (0, 1110)
C. [0, 1100]
D. [10, 30]