Question
Mathematics Question on Domain of a Function
Domain of the function f(x) = [x]2−[x]−61 where [x] is greatest integer ≤ x is
A
(-∞, -2) ∪ [4, ∞]
B
(-∞, -2) ∪ [3, ∞]
C
[-∞, -2) ∪ [4, ∞]
D
[-∞, -2] ∪ [3, ∞)
Answer
(-∞, -2) ∪ [4, ∞]
Explanation
Solution
The correct answer is () :