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E M B I B E
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS
>
Chapter 24 - Functions
>
BITSAT 2017
>
Q 4
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MEDIUM
BITSAT
IMPORTANT
Earn 100
Let
A
=
-
1
,
1
and
f
:
A
→
A
be defined as
f
x
=
x
x
for all
x
∈
A
, then
f
x
is
(a)
many one and into function
(b)
one-many and into function
(c)
many-one and into function
(d)
one-one and onto function
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Important Questions on Functions
MEDIUM
BITSAT
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS
>
Chapter 24 - Functions
>
BITSAT 2019
>
Q 1
Number of solution of the equation
|
cos
x
|
=
2
[
x
]
are (where
|
x
|
,
[
x
]
are modulus and greatest integer function respectively).
EASY
BITSAT
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS
>
Chapter 24 - Functions
>
BITSAT 2018
>
Q 2
The inverse of the function
f
x
=
log
a
x
+
x
2
+
1
(where,
a
<
0
,
a
≠
1
) is
MEDIUM
BITSAT
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS
>
Chapter 24 - Functions
>
BITSAT 2018
>
Q 3
Let
f
:
R
→
R
be a function satisfying
f
x
+
y
=
f
x
+
2
y
2
+
k
x
y
for all
x
,
y
∈
R
. If
f
1
=
2
and
f
2
=
8
, then
f
x
is equal to
MEDIUM
BITSAT
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS
>
Chapter 24 - Functions
>
BITSAT 2017
>
Q 4
Let
A
=
-
1
,
1
and
f
:
A
→
A
be defined as
f
x
=
x
x
for all
x
∈
A
, then
f
x
is
