document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=984598>Question 984598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a function f (x) = 7/2x-1  and, if possible, am meant to \r<BR>\n" );
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document.write( "a) determine f(0), and \r<BR>\n" );
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document.write( "b) also simplify the quantity f(1+h)-f(1)    \r<BR>\n" );
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document.write( "I do not really understand what about f(0) I am meant to determine, and also what the value 'h' is i the second part of the question.\r<BR>\n" );
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document.write( "help please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #605383 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=605383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) f(0) is the value of the function when x equals zero,<BR>\n" );
document.write( "So where there is an x, replace it with 0.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=7%2F%282x-1%29 ALIGN=MIDDLE  ALT=\"f%28x%29=7%2F%282x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=7%2F%282%280%29-1%29 ALIGN=MIDDLE  ALT=\"f%280%29=7%2F%282%280%29-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=7%2F%280-1%29 ALIGN=MIDDLE  ALT=\"f%280%29=7%2F%280-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=7%2F%28-1%29 ALIGN=MIDDLE  ALT=\"f%280%29=7%2F%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=-7 ALIGN=MIDDLE  ALT=\"f%280%29=-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "b) The value of h is unknown so keep it as a variable.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%281%29=7%2F%282%281%29-1%29=7%2F%282-1%29=7%2F1=7 ALIGN=MIDDLE  ALT=\"f%281%29=7%2F%282%281%29-1%29=7%2F%282-1%29=7%2F1=7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%281%2Bh%29=7%2F%282%281%2Bh%29-1%29=7%2F%282%2B2h-1%29=7%2F%282h%2B1%29 ALIGN=MIDDLE  ALT=\"f%281%2Bh%29=7%2F%282%281%2Bh%29-1%29=7%2F%282%2B2h-1%29=7%2F%282h%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%281%2Bh%29-f%281%29=7%2F%282h%2B1%29-7=7%2F%282h%2B1%29-7%28%282h%2B1%29%2F%282h%2B1%29%29=%287-7%282h%2B1%29%29%2F%282h%2B1%29=%287-14h-7%29%2F%282h%2B1%29=%28-14h%29%2F%282h%2B1%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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