Simplify the expression. Assume that all variables are positive when they appear.(9
)(9
)
A. 567
B. 567
C. 81
D. 3969
Answer: A
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Solve the problem.An office contains 1000 ft3 of air initially free of carbon monoxide. Starting at time = 0, cigarette smoke containing 4% carbon monoxide is blown into the room at the rate of 0.5 ft3/min. A ceiling fan keeps the air in the room well circulated and the air leaves the room at the same rate of 0.5ft3/min. Find the time when the concentration of carbon monoxide reaches 0.01%.
A. 7.01 min B. 6.01 min C. 8.01 min D. 5.01 min
Provide an appropriate response.Write in exponential notation 64.
A. 82 B. 622 C. 40962 D. 640
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 8
A. 256?
B. 16?
C. 
?
D. 
?
Evaluate the polynomial.P(x) = -5x5 + 6x4 + 6x3 - x2 , P( 2)
A. 9 B. -24 C. -25 D. -20