Daniel B. answered 10/31/20
A retired computer professional to teach math, physics
The function f(x) is undefined for x = -sqrt(3), -0.5, +sqrt(3)
A) is not the right answer because it contains -sqrt(3)
B) is not the right answer because it contains -0.5
C) is the right answer
D) is not the right answer because it contains sqrt(3)