document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=717018>Question 717018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine the inverse for each of the following functions if it exists. show your work.\r<BR>\n" );
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document.write( "a)  f(x) = 7^x<BR>\n" );
document.write( "b). f(x) = log2 (x+3) -5<BR>\n" );
document.write( "c). f(x). = e^(x+3)   -3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441540 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=441540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> determine the inverse for each of the following functions if it exists. show your work. <BR>\n" );
document.write( "a) f(x) = 7^x<BR>\n" );
document.write( "b). f(x) = log2 (x+3) -5<BR>\n" );
document.write( "c). f(x). = e^(x+3) -3<BR>\n" );
document.write( "***<BR>\n" );
document.write( "To find the inverse of a function, interchange x and y, then solve for y (f^-1).<BR>\n" );
document.write( "a) y = 7^x<BR>\n" );
document.write( "x=7^y<BR>\n" );
document.write( "logx=ylog7<BR>\n" );
document.write( "f^-1=logx/log7<BR>\n" );
document.write( "..<BR>\n" );
document.write( "b). x = log2 (y+3) -5<BR>\n" );
document.write( "x+5 = log2 (y+3)<BR>\n" );
document.write( "2^(x+5)=y+3<BR>\n" );
document.write( "f^-1=2^(x+5)-3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "c). x = e^(y+3) -3<BR>\n" );
document.write( "x+3=e^(y+3)<BR>\n" );
document.write( "(y+3)lne=ln(x+3)<BR>\n" );
document.write( "y+3=ln(x+3)<BR>\n" );
document.write( "f^-1=ln(x+3)-3 </SPAN>\n" );
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