Find an expression equivalent to the given expression.
cosh (5x - 14)
A. -sinh (5x - 14)
B. 5 sinh (5x - 14)
C. 5 cosh (5x - 14)
D. -5 cosh (5x - 14)
Answer: B
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A. x2 + 34x + 34 B. 3x2 + 33x + 63 C. 3x2 + 34x + 63 D. 3x2 + 63x + 34
Which of the following physical situations would best be modeled by the graph?
A. The monthly average ocean temperature y in degrees Fahrenheit during month t, where t = 1 corresponds to January.
B. The length y of a shadow cast by a horizontal flagpole on a vertical wall between sunrise and noon, where t is the angle shown.
C. The number of hours y of sunlight during month t, where t = 1 corresponds to January.
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Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.x3 - 8x2 + x - 8 = 0
A. -1, 1, 8 B. -8, -i, i C. -8, 8, i D. 8, -i, i
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A. 1810 B. 1993 C. 2367 D. 2172