document.write( "Question 1155341: Find the function ​f(x)=ax^3+bx^2+cx+d for which, f(-3)=-83, f(-1)=1, f(1)=5, f(2)=7. \n" ); document.write( "
Algebra.Com's Answer #777940 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Dear tutor @mananth,\r
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\n" ); document.write( "\n" ); document.write( "it looks like you need a special helper, who will check after you.\r
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\n" ); document.write( "\n" ); document.write( "Not every student in high school is able to solve 4x4 matrix equation manually.\r
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\n" ); document.write( "\n" ); document.write( "Even with simplifying which goes from +1 and -1 in arguments, it is difficult treat for an average student.\r
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\n" ); document.write( "\n" ); document.write( "Therefore, I think that the meaning of this problem is to get the system of equations for 4 unknown coefficients,\r
\n" ); document.write( "\n" ); document.write( "and then solve it (almost mechanically) using a pocket calculator and its matrix functions / solvers.\r
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