Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. x3 + 8x2 - x - 8 = 0
A. {1, -1, 8}
B. {1, -1, -8}
C. {1, 2, -4}
D. {-1, 2, 4}
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 12 sin t - cos tFind the body's acceleration at time t = ?/4 sec.
A. - 
m/sec2
B. 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Mathematics
Find the probability.One digit from the number 7,868,558 is written on each of seven cards. What is the probability of drawing a card that shows 5?
A. 1
B. 
C. 
D. 
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Graph the function.
A. 
B. 
C. 
D. 
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