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Question 23 - Week 1 Practice | Prasnya
Q23
00:00
25 Feb 2024
Q23.
Let
f
(
x
)
=
∣
x
2
−
4
∣
−
1
f(x)=|x^2-4|-1
f
(
x
)
=
∣
x
2
−
4∣
−
1
. Which of the following option(s) are true for
f
f
f
?
A
f
f
f
is defined for all
x
∈
R
x\in\mathbb{R}
x
∈
R
.
B
f
f
f
is one-one.
C
The range of
f
f
f
is
[
−
1
,
∞
)
[-1,\infty)
[
−
1
,
∞
)
.
D
The minimum value of
f
f
f
is
0
0
0
.
Save
Check
Details
Q23
00:00
25 Feb 2024
Q23.
Let
f
(
x
)
=
∣
x
2
−
4
∣
−
1
f(x)=|x^2-4|-1
f
(
x
)
=
∣
x
2
−
4∣
−
1
. Which of the following option(s) are true for
f
f
f
?
A
f
f
f
is defined for all
x
∈
R
x\in\mathbb{R}
x
∈
R
.
B
f
f
f
is one-one.
C
The range of
f
f
f
is
[
−
1
,
∞
)
[-1,\infty)
[
−
1
,
∞
)
.
D
The minimum value of
f
f
f
is
0
0
0
.
Save
Check
Details
