document.write( "Question 608986: Find domain of f (x) = 2x-7, my question is how do you know the answer is all real #s? \n" ); document.write( "
Algebra.Com's Answer #383444 by flame8855(424)\"\" \"About 
You can put this solution on YOUR website!
it is all real number because if you put any value of these real number you get a value for the function. \n" ); document.write( "
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