Solve the inequality.x2 + 3x - 28 > 0
A. (-7, 4)
B. (4, ?)
C. (-?, -7) or (4, ?)
D. (-?, -7)
Answer: C
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Integrate the function f over the given region.f(x, y) = 
over the square 4 ? x ? 6, 4 ? y ? 6
A. ln 
B. 
2
C. 
2
D. 
Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.21t + 1, for t > 10. Find the approximate number of fish that can be caught if you fish for 14 minutes.
A. About 9 fish B. About 3 fish C. About 18 fish D. About 16 fish
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of -2i
A. 
(cos 45° + i sin 45°), 
(cos 117° + i sin 117°), 
(cos 189° + i sin 189°), 
(cos 261° + i sin 261°), 
B. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
C. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
D. 32(cos 54° + i sin 54°), 32(cos 126° + i sin 126°), 32(cos 198° + i sin 198°), 32(cos 270° + i sin 270°), 
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x5 - 9x4 + 18x3 + 30x2 - 115x + 75
A. {-5, -3, 1, -
, 
}
B. {-5, -3, -1, -
, 
}
C. {1, 3, 5, -
, 
}
D. {0, 1, 3, 5, 
}