SOLUTION: Use the Intermediate Value Theorem to show that the polynomial f(x)=x3+x2−3x+9 has a real zero between −4 and -2

Question 1176783: Use the Intermediate Value Theorem to show that the polynomial f(x)=x3+x2−3x+9 has a real zero between −4 and -2
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
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Calculate the values of the given polynomial at both end-points of the interval.

If the values are of different signs, you can apply the Intermediate Value Theorem and to state
that the polynomial has a real zero inside the given interval.

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