Question 5 - Week 5 Practice | Prasnya
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Quiz 2
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Mathematics 1
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Week 5
Question 5
00:00
Est. 2 min
Marks:
+3.00
0.00
Choose the set of correct options.
Single correct
Easy Difficulty
16 March 2025
A
The function
f
:
R
→
R
f:\mathbb{R}\to\mathbb{R}
such that
f
(
x
)
=
−
x
2
+
x
2
f(x)=-x^2+\sqrt{x^2}
is onto.
B
The function
f
(
x
)
=
x
2
−
5
x
+
6
f(x)=x^2-5x+6
is a one-one function.
C
The function
f
(
x
)
=
e
x
+
5
f(x)=e^{x+5}
is one-one.
D
If
f
f
is an invertible function, then
f
−
1
f^{-1}
is a one-one function.
