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, 8, i
C. -8, -i, i
D. 8, -i, i
Answer: D
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Complete the ordered pairs so that they are solutions of the given linear equation.2x + y = -10(-6, ), (0, ), (1, )
A. (-6, 2), (0, -10), (1, -12) B. (-6, -14), (0, -10), (1, -12) C. (-6, -22), (0, -10), (1, -12) D. (-6, 2), (0, 10), (1, -12)
Find all real solutions of the equation.
?
What will be an ideal response?
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.7 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 4.47t B. (S ? d)(t) = 7.94t C. (S ? d)(t) = 3.53t D. (S ? d)(t) = 2.59t
Solve the equation.log4(x + 4) - log4(x + 1) = 3
A. 
B. 
C. ?
D. 