Mathematics : PU-CET (U.G) 2015 Panjab University Entrance Exam With Answers

Practice Mode:
2.

Let f:(2,3) $\to$ (0,1) be defined by f(x) = x-[x], where [.] denotes the greatest integer value function, then 4f$-^1$(x) equals :

A: x-2
B: x+1
C: x-1
D: x+2

The answer is: D

<< Previous Question
Next Question >>