A polynomial function P and its graph are given. P(x) = 2x4 - 6x³ + 2x² + 6x-4 -2 y 2 6 X (a) List all possible rational zeros of P given by the Rational Zeros Theorem. (Enter your answers as a comma-separated list.) x= -1,1,0.5, -0.5, -2,2,- 4,4 W ✓ (b) From the graph, determine which of the possible rational zeros actually turn out to be zeros. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) x = 1,-1,2

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