(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
.