document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180587>Question 180587</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 15)  f(x) = x + 4<BR>\n" );
document.write( "a.	f(5) = <BR>\n" );
document.write( "b.	f(–7) = <BR>\n" );
document.write( "c.	f(0) = \r<BR>\n" );
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document.write( "16)   f(x) = 6x + 5<BR>\n" );
document.write( "a.	f(12) = <BR>\n" );
document.write( "b.	f(–1/2) = <BR>\n" );
document.write( "c.	f(0) = \r<BR>\n" );
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document.write( "17)   h(x) = x2 – 4x + 5<BR>\n" );
document.write( "a.	h(4) = <BR>\n" );
document.write( "b.	h(–4) = <BR>\n" );
document.write( "c.	h(0) = 	\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135347 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=135347\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how about I do number 15 and you do the rest<BR>\n" );
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document.write( "We just need to plug in the value of x which is given into every place x occurs in the function<BR>\n" );
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document.write( "15)15) f(x) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%29 ALIGN=MIDDLE  ALT=\"highlight%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 4<BR>\n" );
document.write( "a. f(5) = <BR>\n" );
document.write( "b. f(–7) = <BR>\n" );
document.write( "c. f(0) = <BR>\n" );
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document.write( "a)f(5)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%285%29 ALIGN=MIDDLE  ALT=\"highlight%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >+4=9........see where I highlighted it that is where<BR>\n" );
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document.write( "I plugged in the given value of 5 into x+4<BR>\n" );
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document.write( "b)f(-7)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-7%29 ALIGN=MIDDLE  ALT=\"highlight%28-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >+4=-3<BR>\n" );
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document.write( "c)f(0)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280%29 ALIGN=MIDDLE  ALT=\"highlight%280%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >+4=4\r<BR>\n" );
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document.write( "do the same thing for problem 16 and 17<BR>\n" );
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document.write( "remember in 17 there is an x squared and and x term....put the values in ALL occurences of x<BR>\n" );
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