Let f(x) = √(|x| - {x}), where {.} denotes the fractional part of x and X, Y and its domain and rang

#2piclasses #class11 #iitjee #importantquestions #Letfxisequaltorootxminusxwhere{.}denotesthefractionalpartofxandXYanditsdomainandrange Let f(x) = √(|x| - {x}), where {.} denotes the fractional part of x and X, Y and its domain and range respectively, then A. x ∈ (-∞, 1/2] and Y ∈ [1/2, ∞) B. x ∈ (-∞, -1/2] ∪ [0, ∞) and Y ∈ [1/2, ∞) C. X ∈ (-∞, -1/2] ∪ [0, ∞) and Y ∈ [0, ∞) D. None of these