Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.cot ? = 1
A. 225° and 315°
B. 45° and 225°
C. 45° and 315°
D. 135° and 225°
Answer: B
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Find the limit.
(e6/x + 8x)x/2
A. e3 B. ? C. 0 D. 3 E. 1
Solve the problem.The profits (in millions of dollars) of a company can be described by the equation 
where x is the number of years since 2000. Profits were $7.9 million in the year 2000, $9.2 million in 2004, and $12.4 million in 2008. Find the values of a, b, and c and use your answer to estimate profits in the year 2013. Round to the nearest tenth.
A. $10.7 million B. $20.6 million C. $19.7 million D. $19.1 million
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.29 L = 
qt
A. 30.7 qt B. 13.2 qt C. 27.4 qt D. 34.8 qt
Solve and graph. Write the solution set in set-builder and interval notation.
< 3
A. {a
a ? -9}; (-?, -9]
B. {a
a ? -9}; [-9, ?)
C. {a
a < -9}; (-?, -9)
D. {a
a > -9}; (-9, ?)