205k views
2 votes
If a(x)=3x+1 and b(x)= x-4, what is the domain of ..

If a(x)=3x+1 and b(x)= x-4, what is the domain of ..-example-1

1 Answer

4 votes

Explanation:

For sqrt(x - 4) to be defined, x >= 4.

For a(x) >= 4, 3x + 1 >= 4, x >= 1.

Hence the domain of the composite function is the 3rd from the top.

User Phius
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.