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Mathematics 24 Online
OpenStudy (anonymous):

f(x)=lx+3l

hero (hero):

Okay, and???????

OpenStudy (anonymous):

I need to find the domain of the function

hero (hero):

f(x) = x+3 or -(x+3)

hero (hero):

Domain is -infinity, +infinity

OpenStudy (anonymous):

Real numbers

jimthompson5910 (jim_thompson5910):

Because you can plug in any number for x, the domain is the set of all real numbers So the domain in interval notation is \[\large (-\infty,\infty)\]

OpenStudy (anonymous):

Thank you so much!!!!

OpenStudy (anonymous):

so its all real numbers?

jimthompson5910 (jim_thompson5910):

yes

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