4. F(x) = 6x+ 4x2-7x +5 5. F(x) = x + 3x3 + 4x2-36 %3! 6. F(x) = 3x- 5x- 25x2- 10x-- 8 %3D 7. F(x) = 6x'+x-56x2-9x + 18 %3D 8. F(x) = 2x - 3x3 + 7x2-8 %3D

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