Find the requested characteristic.Find the period for the graph of f(t) = - tan 
.
A. 
B. - 
C. 
D. 2?
Answer: D
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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. 6.01 min B. 5.01 min C. 7.01 min D. 8.01 min
Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
is the critical point, it is impossible to determine the relative extrema of the function
B. 
is the point of minimum, 9 is the relative minimum
C. 
is the critical point, the function has neither a relative maximum nor a relative minimum at this point
D. 
is the point of maximum, 9 is the relative maximum
E. no critical points
Solve the problem.Jon has 524 points in his math class. He must have 64% of the 1100 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive credit for the class?
A. 704 points B. 576 points C. 180 points D. 335 points
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. The inverse does not exist.