Find the derivative of the function.
f (x) = 2 cos x ? 2x ? 8
?2 sin x ?2
Mathematics
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2x2 + 10x = - 3
A. 
B. 
C. 
D. 
Mathematics
Write as a number.Round 7620 to the first digit.
A. 8100 B. 7890 C. 9000 D. 8000
Mathematics
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.37.1 qt = ____ L
A. 70.5 L B. 35.2 L C. 39.3 L D. 9.6 L
Mathematics
Solve the problem.A restaurant offers a choice of 5 salads, 7 main courses, and 2 desserts. How many possible 
meals are there?
A. 140 B. 70 C. 14 D. 35
Mathematics