document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=483338>Question 483338</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001718x4 + 0.087326x3 – 1.3367x2 + 12.46x + 3.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330801 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=330801\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Somehow this is one of those overused problems that textbooks just like to throw in repeatedly.\r<BR>\n" );
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document.write( "Solution is quite simple, to find f(2.5), just replace all occurrences of x with 2.5. Similarly, to find f(12), replace x with 12.\r<BR>\n" );
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document.write( "f(2.5) = 28.007 years<BR>\n" );
document.write( "f(12) = 76.2241 years\r<BR>\n" );
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document.write( "http://www.wolframalpha.com/input/?i=-+0.001718x^4+%2B+0.087326x^3+%E2%80%93+1.3367x^2+%2B+12.46x+%2B+3.914+where+x+%3D+12\r<BR>\n" );
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