document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=563359>Question 563359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x)= 2x^2 -x +1 and g(x)= SQUARE ROOT OF(5-x).... Find and simplify each of the following:\r<BR>\n" );
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document.write( "1) g(-19)\r<BR>\n" );
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document.write( "2) g^-1(x)\r<BR>\n" );
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document.write( "3) (f o g)(4)\r<BR>\n" );
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document.write( "4) g^-1(1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364852 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=364852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x)= 2x^2 -x +1 and g(x)= SQUARE ROOT OF(5-x).... Find and simplify each of the following: <BR>\n" );
document.write( "1) g(-19) = sqrt(5+19) = sqrt(24)<BR>\n" );
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document.write( "2) g^-1(x)<BR>\n" );
document.write( "Given y = sqrt(5-x)<BR>\n" );
document.write( "Interchange x and y:<BR>\n" );
document.write( "x = sqrt(5-y)<BR>\n" );
document.write( "5-y = x^2<BR>\n" );
document.write( "y = 5-x^2<BR>\n" );
document.write( "g^-1(x) = 5-x^2<BR>\n" );
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document.write( "3) (f o g)(4) = f[g(4)] = f[sqrt(1)] = 1 = 2-1+1 = 2<BR>\n" );
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document.write( "4) g^-1(1)<BR>\n" );
document.write( "g^-1(1) = 5-1^2 = 4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( " </SPAN>\n" );
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