Solve the inequality. Express your answer in set notation.x2 ? 36
A. {x| -6 ? x ? 6}
B. {x| x ? -6 or x ? 6}
C. {x| x < -6 or x > 6}
D. {x| x < -6 or x ? 6}
Answer: B
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Solve the system by using the inverse of the coefficient matrix. x + y + z = 4 x - y + 4z = -195x + y + z = 24
A. No solution B. (-5, 4, 5) C. (-5, 5, 4) D. (5, 4, -5)
Find the phase shift of the function.y = 4 cos 
A. 
units to the left
B. ? units to the left
C. 4? units to the right
D. 
units to the right
Suppose the probability that a certain drug will lower cholesterol significantly is 0.85. If the drug is administered to 1300 patients, what is the probability that more than 1094 will have significantly lowered cholesterol levels? Round your answer to four decimal places. ?
A. 0.2073 B. 0.7894 C. 0.6828 D. 0.7550 E. 0.7927
Evaluate.(-4)3
A. -12 B. -64 C. 12 D. 64