document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55958>Question 55958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear tutor, I am trying to graph this problem, but Im a little unsure of my answer, can you graph f(x)=-2x+2, I also need help with these other problems to complete my assignment....\r<BR>\n" );
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document.write( "rewrite the equation -x-10y=50 as a function of x\r<BR>\n" );
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document.write( "given f(x)=4x-5, find f (a-1)\r<BR>\n" );
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document.write( "given f(x)=5x2(above the x)-3x+1 find f(-2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37991 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=37991\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> graph f(x)=-2x + 2<BR>\n" );
document.write( "Assuming you are using normal vertical 'y' and horizontal 'x' graphing paper:<BR>\n" );
document.write( "Remember f(x) = y:<BR>\n" );
document.write( "y = 2x + 2<BR>\n" );
document.write( "Choose some values of x and find y using the above equation:<BR>\n" );
document.write( "1st value as an example; x = -2: <BR>\n" );
document.write( "y = 2(-2) + 2: <BR>\n" );
document.write( "y = -4 + 2: <BR>\n" );
document.write( "y = -2<BR>\n" );
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document.write( " x | y<BR>\n" );
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document.write( "-2 |-2<BR>\n" );
document.write( "-1 | 0<BR>\n" );
document.write( " 0 | 2<BR>\n" );
document.write( " 1 | 4<BR>\n" );
document.write( "Plot these x,y coordinates and draw the line.   <BR>\n" );
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document.write( "rewrite the equation -x - 10y = 50 as a function of x<BR>\n" );
document.write( "- x - 10y = 50<BR>\n" );
document.write( "    - 10y = +x + 50<BR>\n" );
document.write( "        y = x/-10 + 50/-10<BR>\n" );
document.write( "        y = -.1x - 5<BR>\n" );
document.write( "You can also write it: f(x) = -.1x - 5<BR>\n" );
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document.write( "given f(x) = 4x - 5, find f(a-1): Substitute (a-1) for x<BR>\n" );
document.write( "f(a-1) = 4(a-1) - 5<BR>\n" );
document.write( "f(a-1) = 4a - 4 - 5<BR>\n" );
document.write( "f(a-1) = 4a - 9<BR>\n" );
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document.write( "given f(x)= 5x^2 - 3x + 1 find f(-2):Substitute (-2) for x<BR>\n" );
document.write( "f(-2) = 5(-2)^2 - 3(-2) + 1<BR>\n" );
document.write( "f(-2) = 5(4) - (-6) + 1<BR>\n" );
document.write( "f(-2) = 20 + 6 + 1<BR>\n" );
document.write( "f(-2) = 27<BR>\n" );
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