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angelina.blackboard.com$/$ultra$/$courses$/\_68407\_1/$cl$/$outline

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QUESTION $6$

Given: $f(x)=2x^4-6x^3-18x^2+30x+40$

List all the potential rational zeros.

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$\backslash$table$[[B,$I,$U_{?},S,$Par,grap,,$v,$Open,ans,,,$10],[-=,)=(,-=,-=,,,x^2,x_2,,$:$\text{'},>,{}_{?}$