document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347657>Question 347657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have tried so many different things on this problem, thinking through why they would be what they are and I still got them wrong. Please help me understand. This is what I put for each in order, it is what I was convinced the answer was. (F,T,T,F,F,F,F) Why are any of these wrong?\r<BR>\n" );
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document.write( "(1 pt) Let the function f be defined by f(x) = {1}/{sqrt{1-x^2}}. Indicate whether the following statements are True (T) or False (F). You must get all answers correct in order to receive credit.<BR>\n" );
document.write( "___1. f(x) is never positive.<BR>\n" );
document.write( "___2. 1 is in the domain of f<BR>\n" );
document.write( "___3. 0 is in the domain of f<BR>\n" );
document.write( "___4. f(x) is never negative.<BR>\n" );
document.write( "___5. All negative real numbers are in the domain of f<BR>\n" );
document.write( "___6. f(x) is never zero.<BR>\n" );
document.write( "___7. All positive real numbers are in the domain of f<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248523 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=1/sqrt(1-x^2)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2. <BR>\n" );
document.write( "1-x^2>0 If it is zero then there is division by zero which is not allowed. If it is less than zero then the denominator is an imaginary number, also not allowed.<BR>\n" );
document.write( "-x^2>-1<BR>\n" );
document.write( "x^2<1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%3Cx%3C1 ALIGN=MIDDLE  ALT=\"-1%3Cx%3C1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2 is F<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The rest of your answers are correct.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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