Zeros of Polynomial Functions III Assessment Use the following polynomial: f(x) - 5x3 + 8x2 - 4x + 3 a. The Fundamental Theorem of Algebra states that this polynomial has roots. b. Find f(-x). c. Use Descartes' rule of signs to complete the table: Number of Number of Number of positive negative imaginary real zeros real zeros zeros d. Use the Rational Root Theorem to determine the possible rational roots of f(x). e. Of the possible rational roots above, which ones are roots