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 #777921 by Edwin McCravy(20055) $\"\"$ $\"About$

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Find the function f(x)=ax^3+bx^2+cx+d for which, f(-3)=-83, f(-1)=1, f(1)=5,
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document.write( "That simplifies to this system of equations:\r\n" );
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document.write( "Solve that system either by elimination or \r\n" );
document.write( "matrix methods.\r\n" );
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document.write( "a=2, b=-4, c=0, d=7\r\n" );
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document.write( "So:\r\n" );
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document.write( "becomes:\r\n" );
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document.write( "We drop the 0x term:\r\n" );
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document.write( "Edwin

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