Question 2 - Week 5 Practice | Prasnya
Prasnya
Continue with Google
Practice path
Dashboard
Exam
Quiz 2
Go to subject
Mathematics 1
Go to chapter
Week 5
Question 2
00:00
Est. 1 min
Marks:
+3.00
0.00
Passage
Consider the functions
f
(
x
)
=
x
+
5
f(x)=\sqrt{x+5}
and
g
(
x
)
=
x
2
−
5
g(x)=x^2-5
. Answer the given subquestions.
Question
Find the domain of
g
∘
f
g\circ f
.
Comprehension
Easy Difficulty
03 August 2025
A
R
\mathbb{R}
B
[
0
,
∞
)
[0,\infty)
C
[
−
5
,
∞
)
[-5,\infty)
D
{
x
∈
R
∣
x
≤
−
5
or
x
≥
5
}
\{x\in\mathbb{R}\mid x\le -\sqrt{5}\text{ or }x\ge \sqrt{5}\}
