Q 1. solve the polynomial equation . In obtain the first root , use synthetic division to test the possible rational roots x4+5x3-4x2-16x-8=0 2.Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function. f(x) = 6x4 - 5x3 + x2 - 3x + 10 3.Use the graph or table to determine a solution of the equation. Use synthetic division to verify that this number is a solution of the equation. Then solve the polynomial equation. 2x3 + 11x2 + 17x + 6 = 0 4.Graph the polynomial function. f(x) = (x - 1)(x + 1)(x + 3)2 5.Graph the rational function. f(x) =

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