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January 28, 2015

January 28, 2015

Posted by **Jules** on Friday, September 14, 2007 at 9:43pm.

Given the functions f and g, determine the domain of f+g.

4. f(x)= 2x/(x-3) g(x)=3/(x+6)

- Domains of Functions -
**drwls**, Saturday, September 15, 2007 at 9:52amThat would be the set of real numbers x that result in real values for f + g

For f(x) by itself, the domain is all numbers except 3. For g(x), the domain is all numbers except -6.

For f + g, the domain is all numbers from -infinity to +infinity except -6 and 3.

- Domains of Functions -
**drwls**, Saturday, September 15, 2007 at 10:13amFor further reading I suggest

http://www.analyzemath.com/DomainRange/DomainRange.html

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