document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1134050>Question 1134050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	(6 pts) Given  f(x)=|x-7| and g(x)=|x+5|, which of the following is the domain of the quotient function ? Briefly explain.				                              <BR>\n" );
document.write( "Answer_______<BR>\n" );
document.write( "	A.	(-5,∞)<BR>\n" );
document.write( "	B.	(-∞,-5)  ∪ (-5,7)  ∪ (7,∞)<BR>\n" );
document.write( "	C.	(-7,-5)  ∪ (-5,∞)<BR>\n" );
document.write( "	D.	(-∞,-5)∪(-5,∞)\r<BR>\n" );
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document.write( "Given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=abs%28x-7%29 ALIGN=MIDDLE  ALT=\"f%28x%29=abs%28x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28x%29=abs%28x%2B5%29 ALIGN=MIDDLE  ALT=\"g%28x%29=abs%28x%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, \r<BR>\n" );
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document.write( "the quotient function:\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29%2Fg%28x%29=abs%28x-7%29%2Fabs%28x%2B5%29 ALIGN=MIDDLE  ALT=\"f%28x%29%2Fg%28x%29=abs%28x-7%29%2Fabs%28x%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "domain: since denominator can not be equal to zero, exclude values that will make  denominator  equal to zero\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B5%3C%3E0 ALIGN=MIDDLE  ALT=\"x%2B5%3C%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C%3E-5 ALIGN=MIDDLE  ALT=\"x%3C%3E-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "domain is: {x element R : x<>-5}\r<BR>\n" );
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document.write( "(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-infinity ALIGN=MIDDLE  ALT=\"-infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5%29+U+%28%7B%7B%7B-5 ALIGN=MIDDLE  ALT=\"-5%29+U+%28%7B%7B%7B-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=infinity ALIGN=MIDDLE  ALT=\"infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
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document.write( "so, answer is:\r<BR>\n" );
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document.write( "D.	(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-infinity ALIGN=MIDDLE  ALT=\"-infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5%29+U+%28%7B%7B%7B-5 ALIGN=MIDDLE  ALT=\"-5%29+U+%28%7B%7B%7B-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=infinity ALIGN=MIDDLE  ALT=\"infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
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