6) Find Possible Positive, Negative or Imaginary Zeros. f(x) = x* + 4x³ + 3x² - 4x - 4 %3D Count the number of sign changes. Positive Sign Changes = Find f(-x)= (-x)^+ 4(-x)³ + 3(-x)² - 4(-x) - 4 simplify Count the number of sign changes. Negative Sign Changes %3D Types of Roots Positive Negative Imaginary (Pairs) Roots Roots Since f(x) has 3 total roots.

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