Posted by Caleb on Sunday, August 25, 2013 at 1:27am.
I have no idea how to do this, and nobody in my family knows how to either.
I have to determine the domain of the following function.
f(x)=5/(3x7)

College Algebra  Anonymous, Sunday, August 25, 2013 at 5:53am
the domain is where the function is defined.
Since it's just a fraction, it is defined for all real values of x.
EXCEPT that division by zero is not defined.
So, if 3x7 = 0 then f(x) is undefined.
So, the domain is all real numbers except 7/3
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