A few days ago
HW help for hard math??
Use interval notation to indicate the domain of
f(x)= 4thsqrt(x^2-6x)??
been stuck on this forever?? plz help!
Top 2 Answers
A few days ago
Favorite Answer
I like SR’s answer, but I would add one more step since the problem requires “interval notation”.
x<=0 OR x>=6
becomes
(+inf,0] U [6,+inf)
(note: the square brackets are required because 0 and 6 are included in the domain)
1
A few days ago
to extract 4th root, you need the expression inside to always be positive (>0)
x^2-6x > 0
x(x-6) >0
either x<0 AND x<6 which means x<0 or, x>0 AND x>6 which means x>6
Therefore, the solution set will be all real numbers that DO NOT lie between 0 and 6
**UPDATED**
Mike Shank’s last step below completes the solution.
0
- Academic Writing
- Accounting
- Anthropology
- Article
- Blog
- Business
- Career
- Case Study
- Critical Thinking
- Culture
- Dissertation
- Education
- Education Questions
- Essay Tips
- Essay Writing
- Finance
- Free Essay Samples
- Free Essay Templates
- Free Essay Topics
- Health
- History
- Human Resources
- Law
- Literature
- Management
- Marketing
- Nursing
- other
- Politics
- Problem Solving
- Psychology
- Report
- Research Paper
- Review Writing
- Social Issues
- Speech Writing
- Term Paper
- Thesis Writing
- Writing Styles