2. Complete steps #A-E below and graph this polynomial: f(x) = x + 3x2 -9x – 27 A) Find the zeros. (Show work.) B) Identify the multiplicity of each zero above. C) Divide the x-axis and use test values of x to determine signs. Interval Test Value Function Value f(x) Sign of f(x) D) Find f(0) =

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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.