document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1137458>Question 1137458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average weight of a male child’s brain is 970 grams at age 1 and 1270 gams at age 3.<BR>\n" );
document.write( "i.Assuming that the relationship between brain weight y and age t is linear,write linear model for the data.<BR>\n" );
document.write( "ii.	What is the slope and what does it tell you about brain weight?<BR>\n" );
document.write( "iii.	Use your model to estimate the average brain weight at age 2?<BR>\n" );
document.write( "iv.	Search the net to find the actual average brain weight at age 2. How close is your estimate?<BR>\n" );
document.write( "v.	Do you think your model could be used to determine the average brain weight of an adult? esplain\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 #755363 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=755363\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ----<BR>\n" );
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document.write( "average weight of a male child’s brain is 970 grams at age 1 and 1270 grams at age 3.<BR>\n" );
document.write( "i.Assuming that the relationship between brain weight y and age t is linear,write linear model for the data.<BR>\n" );
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document.write( "(1, 970) & (3, 1270)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-970=%28%281270-970%29%2F%283-1%29%29%28x-1%29 ALIGN=MIDDLE  ALT=\"y-970=%28%281270-970%29%2F%283-1%29%29%28x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-970=150%28x-1%29 ALIGN=MIDDLE  ALT=\"y-970=150%28x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=150x-150%2B970 ALIGN=MIDDLE  ALT=\"y=150x-150%2B970\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=150x%2B820%29 ALIGN=MIDDLE  ALT=\"highlight%28y=150x%2B820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Increases at rate of 150 grams per year  (slope) </SPAN>\n" );
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