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Question 23 - Week 7 Practice | Prasnya
Q23
00:00
3 Dec 2023
Q23.
Choose the correct option for
f
(
x
)
=
1
x
−
1
f(x)=\frac{1}{x-1}
f
(
x
)
=
x
−
1
1
.
A
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at the point/points
x
=
1
x=1
x
=
1
.
B
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at the point/points
x
=
1
x=1
x
=
1
and
x
=
2
x=2
x
=
2
.
C
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at point/points
x
=
2
x=2
x
=
2
.
D
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at point/points
x
=
1
x=1
x
=
1
,
x
=
2
x=2
x
=
2
and
x
=
3
x=3
x
=
3
.
Save
Check
Details
Q23
00:00
3 Dec 2023
Q23.
Choose the correct option for
f
(
x
)
=
1
x
−
1
f(x)=\frac{1}{x-1}
f
(
x
)
=
x
−
1
1
.
A
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at the point/points
x
=
1
x=1
x
=
1
.
B
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at the point/points
x
=
1
x=1
x
=
1
and
x
=
2
x=2
x
=
2
.
C
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at point/points
x
=
2
x=2
x
=
2
.
D
The function
(
f
∘
f
)
(
x
)
(f\circ f)(x)
(
f
∘
f
)
(
x
)
in its domain is discontinuous only at point/points
x
=
1
x=1
x
=
1
,
x
=
2
x=2
x
=
2
and
x
=
3
x=3
x
=
3
.
Save
Check
Details
