Use the Rational Zero Test to list the possible rational zeros of f. Verify that the zeros of f shown in the graph are contained in the list.
1. f (x) = x3 + 2x2 ˆ’ x - 2

2. f (x) = x3 ˆ’ 4x2 ˆ’ 4x + 16

3. f (x) = 2x4 ˆ’ 17x3 + 35x= + 9x - 45

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y 6. 4- 2- 2 -1 -4+ 18 3 х 3. -6+