Q. If $f(x) = \lbrack x - 2\rbrack$, where $\lbrack x\rbrack$ denotes the greatest integer less than or equal to $x$, then $f(2,\ 5)$ is equal to
A) $\frac{1}{2}$
B) 0
C) 1
D) Does not exist
Explanation
(b)
$\therefore\ \ f(2.5) = \lbrack 2.5 - 2\rbrack = \lbrack 0.5\rbrack = 0$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.