David made $80,950 last year. If his income is decreased by 7.25%, what is his adjusted
1 answer:
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The given function is that is a cubic polynomial
when arranged in descending order that is from highest degree to lowest degree
Since it is a three degree polynomial it has three roots.
According to rational root theorem , the possible roots of the above expression that is factors of =
are
As you can see from the graph all roots of this polynomial are real.
The smallest positive root is 0.954 and smallest negative root are -0.724.
