document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=803092>Question 803092</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What's the average rate of change for the sqrt 5x+7 between f(a) =16 & f(b)=25  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #484132 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=484132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What's the average rate of change for the sqrt 5x+7 between f(a) =16 & f(b)=25 <BR>\n" );
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document.write( "Do you mean <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+sqrt%285x%2B7%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+sqrt%285x%2B7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ?<BR>\n" );
document.write( "If so, find a and b<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28a%29+=+sqrt%285a%2B7%29+=+16 ALIGN=MIDDLE  ALT=\"f%28a%29+=+sqrt%285a%2B7%29+=+16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Square both sides<BR>\n" );
document.write( "5a+7 = 256<BR>\n" );
document.write( "a = 249/5<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28b%29+=+sqrt%285b%2B7%29+=+25 ALIGN=MIDDLE  ALT=\"f%28b%29+=+sqrt%285b%2B7%29+=+25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Square both sides<BR>\n" );
document.write( "5b+7 = 625<BR>\n" );
document.write( "b = 618/5<BR>\n" );
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document.write( "b - a = 369/5<BR>\n" );
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document.write( "f(b) - f(a) = 9<BR>\n" );
document.write( "Avg rate = (369/5)/9<BR>\n" );
document.write( "= 41/5<BR>\n" );
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