Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find cot ?.
A. cot ? = 
B. cot ? = 
C. cot ? = 
D. cot ? = 
Answer: B
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Solve.31 = 4x - 5
A. {12} B. {9} C. {36} D. {32}
Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that no engines will survive.
?
A. 
B. ?
C. ?
D. ?
E. ?
Solve the equation for the specified variable.F = 
C + 32; solve for C
A. C = 
(F - 32)
B. C = 
C. C = 
(F - 32)
D. C = 
Solve the problem.Because of material shortages, it is increasingly expensive to produce 6.2L diesel engines. In fact, the profit in millions of dollars from producing x hundred thousand engines is approximated by 
where 
Find the inflection point of this function to determine the point of diminishing returns.
A. (10, 114.67) B. (10, 2048) C. (10, 1958) D. (7.50, 2048)