document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70480>Question 70480</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321233832/algebrahomeworkh>Elementary and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Help is needed. Thanks! <BR>\n" );
document.write( "Graph the following and justify your answer.<BR>\n" );
document.write( "y=2^x<BR>\n" );
document.write( "y=log2 (x) </SPAN>\n" );
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document.write( "Graph the following and justify your answer.<BR>\n" );
document.write( "y=2^x<BR>\n" );
document.write( "y=log2 (x)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "For y=2^x<BR>\n" );
document.write( "Let x=-1<BR>\n" );
document.write( "y=2^-1<BR>\n" );
document.write( "y=1/2  Plot (-1,1/2)<BR>\n" );
document.write( "Let x=0<BR>\n" );
document.write( "y=2^0<BR>\n" );
document.write( "y=1  Plot (0,1)<BR>\n" );
document.write( "Let x=1<BR>\n" );
document.write( "y=2^1<BR>\n" );
document.write( "y=2  Plot (1,2)<BR>\n" );
document.write( "Let x=2<BR>\n" );
document.write( "y=2^2<BR>\n" );
document.write( "y=4  Plot (2,4)<BR>\n" );
document.write( "Connect your points and you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C2%5Ex%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C2%5Ex%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For y=log2(x)<BR>\n" );
document.write( "Let y=-1<BR>\n" );
document.write( "-1=log2(x)<BR>\n" );
document.write( "2^-1=x<BR>\n" );
document.write( "1/2=x  Plot (1/2,-1)<BR>\n" );
document.write( "Let y=0<BR>\n" );
document.write( "0=log2(x)<BR>\n" );
document.write( "2^0=x<BR>\n" );
document.write( "1=x  Plot (1,0)<BR>\n" );
document.write( "Let y=1<BR>\n" );
document.write( "1=log2(x)<BR>\n" );
document.write( "2^1=x<BR>\n" );
document.write( "2=x Plot (2,1)<BR>\n" );
document.write( "Let y=2<BR>\n" );
document.write( "2=log2(x)<BR>\n" );
document.write( "2^2=x<BR>\n" );
document.write( "4=x Plot (4,2)<BR>\n" );
document.write( "Connect the points and you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Cln%28x%29%2Fln%282%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Cln%28x%29%2Fln%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Happy Calculating!!!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );