Register
Let f(x)=√7x and g(x)=x+8, whats the smallest number that is the domain of f^o g?
102k views
4 votes
Let f(x)=√7x and g(x)=x+8, whats the smallest number that is the domain of f^o g?

User Mojtaba Tajik
by
8.1k points

1 Answer

7 votes
(f○g)(x)=√(7(x+8))

(f○g)(x)=√(7x+56)

Since there is no real square root of a negative value, the smallest value in the domain would make the radicand equal to zero. x=-8 is the smallest number in the domain of (f○g)(x)
User Adam Kaump
by
8.4k points
← Prev Question Next Question →

Related questions

User Dalenewman
asked Jan 19, 2024 179k views
Question 21 of 32 What is the solution to √7x - 4 = 2√x? O.A.4/5 B. -4/5 C.-4/3 D.4/3
Dalenewman asked Jan 19, 2024
by Dalenewman
8.9k points
1 answer
1 vote
179k views
User Andy Lamb
asked Nov 10, 2024 45.2k views
What is the solution to √7x-4 = 2√x O A.4/3 O B. -4/4 O C. 4/5 O D. -4/3
Andy Lamb asked Nov 10, 2024
by Andy Lamb
8.3k points
1 answer
2 votes
45.2k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!