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quiz 3A sol - Solutions to Quiz 3A www.math.u.edu/harringt...

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Solutions to Quiz 3A www.math.ufl.edu/˜harringt September 12, 2007 1. (3 pts) 4 x 4 - 2 x 2 + 3 x + 4 divided by x 2 + x + 1 4 x 2 - 4 x - 2 x 2 + x + 1) 4 x 4 - 2 x 2 + 3 x + 4 - 4 x 4 - 4 x 3 - 4 x 2 - 4 x 3 - 6 x 2 + 3 x 4 x 3 + 4 x 2 + 4 x - 2 x 2 + 7 x + 4 2 x 2 + 2 x + 2 9 x + 6 Quotient: 4 x 2 - 4 x - 2 Remainder: 9 x + 6 2. (2 pts) Find the domain of x +1 x 2 - 1 . (Your answer must be in interval notation.)
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