document.write( "Question 46559: the table shows several value of the function f(x)=-x^3+x^2-x+2. Complete the missing values in this table, and then use these values and the intermediate value theorem to determine (an) inverval(s) where the function must have a zero.\r
\n" ); document.write( "\n" ); document.write( " x f(x)
\n" ); document.write( " -2 16
\n" ); document.write( " -1 (unknown)
\n" ); document.write( " 0 (unknown)
\n" ); document.write( " 1 (unknown)
\n" ); document.write( " 2 -4
\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #30848 by Nate(3500)\"\" \"About 
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-1 (unknown)
\n" ); document.write( "f(x) = -x^3 + x^2 - x + 2
\n" ); document.write( "f(-1) = -(-1)^3 + (-1)^2 - (-1) + 2
\n" ); document.write( "f(-1) = 1 + 1 + 1 + 2 = 5
\n" ); document.write( "(-1,5)
\n" ); document.write( "0 (unknown)
\n" ); document.write( "f(x) = -x^3 + x^2 - x + 2
\n" ); document.write( "f(0) = -0^3 + 0^2 - 0 + 2 = 2
\n" ); document.write( "(0,2)
\n" ); document.write( "1 (unknown)
\n" ); document.write( "f(x) = -1^3 + 1^2 - 1 + 2
\n" ); document.write( "f(x) = -1 + 1 - 1 + 2 = 1
\n" ); document.write( "(1,1)
\n" ); document.write( "x f(x)
\n" ); document.write( "-2 16
\n" ); document.write( "-1 5
\n" ); document.write( "0 2
\n" ); document.write( "1 1
\n" ); document.write( "2 -4
\n" ); document.write( "\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C-x%5E3+%2B+x%5E2+-+x+%2B+2%29\" \n" ); document.write( "
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