Question 83095
The given function is: 

f(x) = x(x + 1)(x – 4),  Here we are asked to give the values of x 


Also the values should be f(x) > 0 



Kepping this mind the best option among the given one would be (B) 


that is  (–1, 0) ∪ (4, ∞)


Thus, the solution..