(a)
\The function is = The greatest integer less than or equal to x.
Find .
Consider .
Substitute in above function.
Thus, the value of .
(b)
\Find .
Consider .
Substitute in above function.
.
Thus, the value of .
\
(c)
\Find .
Consider .
Substitute in above function.
\ \
Thus, the value of .
\
(d)
\Find .
Consider .
Substitute in above function.
.
Thus, the value of .
(a) The value of .
(b) The value of .
(c) The value of .
(d) The value of .