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Byju's Answer
Standard XII
Mathematics
Monotonically Decreasing Functions
Redefine the ...
Question
Redefine the function f (x) = x − 2 + 2+ x , – 3 ≤ x ≤ 3
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Solution
Dear student
f
(
x
)
=
x
-
2
+
2
+
x
for
-
3
≤
x
≤
3
f
(
x
)
=
x
-
2
+
2
+
x
=
x
-
3
+
3
-
x
the
critical
points
for
-
3
≤
x
≤
3
are
x
=
-
3
and
3
so
we
define
f
(
x
)
as
f
(
x
)
=
-
x
-
3
-
x
+
3
for
x
<
-
3
=
-
x
-
3
+
x
+
3
for
-
3
≤
x
<
3
=
x
-
3
+
x
+
3
for
x
≥
3
Regards
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