Solve the inequality.For the function h(x) =
, solve h(x) < 0.
A. (-?, 0) ? (2, 6)
B. (-?, 2) ? (6, ?)
C. [2, 6]
D. (-?, 2] ? [6, ?)
Answer: A
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Find the probability.If a person is randomly selected, find the probability that his or her birthday is in May. Ignore leap years. Assume that all days of the year are equally likely for a given birth.
A.
B.
C.
D.
Factor.16y2 + 72y - 40
A. (2y - 1)(8y + 40) B. 8(2y + 1)(y - 5) C. (16y - 8)(y + 5) D. 8(2y - 1)(y + 5)
In work with alternating current, complex numbers are used to describe current I, voltage E, and impedance Z. These three quantities are related by the equation E = IZ. Solve the equation E = IZ for the missing variable.I = 11 + 8i, Z = 9 + 2i
A. E = 115 + 94i B. E = 99 + 110i C. E = 99 + 16i D. E = 83 + 94i
Find the equation that the given graph represents.
A. P(x) = -x6 + 10x4 - 100x2 - 100 B. P(x) = x5 - 10x4 - 100x2 + 100 C. P(x) = -x6 + 20x4 - 100x2 + 100 D. P(x) = -x5 - 20x4 - 100x2 + 100x