Use synthetic division to decide whether the given number k is a zero of the polynomial function. If it is​ not, give the value of​ f(k).   ​f(x)=x^3+7x^2+7x−15​; k=−5   Is −5 a zero of the​ function? Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.   A. The given k is not a zero of the polynomial function. ​f(−5​)=   B. The given k is a zero of the polynomial function.

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Q: Use synthetic division to decide whether the given number k is a zero of the polynomial function. If…

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Q: Use synthetic division to decide whether the given number k is a zero of the polynomial function. If…

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.