document.write( "Question 198124: f(x) = 4 / (over or divided by) the square root of x - 9 (the x-9 is under the radical; so it s/b a sq root sign with the x - 9 under it)\r
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Algebra.Com's Answer #148648 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "You can't divide by zero, and the expression under a radical can't evaluate to a value less than zero. So, the domain of the function is the set of all real numbers that do not exhibit those characteristics.\r
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