f(d) = 0.0071d³ - 0.090d² + 0.48d,
where d is the diameter of the diamond.
Find the domain of the function in the
context of the situation. (Lesson 4-1)
A. The domain is all real numbers.
B. The domain is {dl d > 0).
C. The domain is {dl d < 0).
D. The domain is (dld > 0.48).