document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126763>Question 1126763</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circle has an initial radius of 0 cm and then the radius begins increasing at a constant rate of 4 cm per second.<BR>\n" );
document.write( "A)Write a formula that expresses the radius of the circle in cm, r, in terms of the number of seconds t since the circle started growing.<BR>\n" );
document.write( "B)Write a formula that expresses the area of the circle in square cm, A, in terms of the radius of the circle in cm, r.<BR>\n" );
document.write( "C)Write a formula that expresses the area of the circle in square cm, A,in terms of the number of seconds t since the circle started growing<BR>\n" );
document.write( "D)Write your answer to part (c) in expanded form - so that your answer does not contain any parentheses. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743143 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=743143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A circle has an initial radius of 0 cm and then the radius begins increasing at a constant rate of 4 cm per second.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "A)Write a formula that expresses the radius of the circle in cm, r, in terms of the number of seconds t since the circle started growing.<BR>\n" );
document.write( " r = 4t<BR>\n" );
document.write( "B)Write a formula that expresses the area of the circle in square cm, A, in terms of the radius of the circle in cm, r.<BR>\n" );
document.write( " A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C)Write a formula that expresses the area of the circle in square cm, A,in terms of the number of seconds t since the circle started growing<BR>\n" );
document.write( " A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A%284t%29%5E2 ALIGN=MIDDLE  ALT=\"pi%2A%284t%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "D)Write your answer to part (c) in expanded form - so that your answer does not contain any parentheses.<BR>\n" );
document.write( " A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A16t%5E2 ALIGN=MIDDLE  ALT=\"pi%2A16t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );