Evaluate dz.z = 
+ 
;x = 4, y = 11, dx = 0.03, dy = 0.01
A. -0.13
B. 0.13
C. 0.23
D. -0.23
Answer: B
Mathematics
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Use the sum/difference identities to simplify the expression. Do not use a calculator.cos 5° cos 40° - sin 5° sin 40°
A. 
B. 
C. - 
D. 1
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Solve the problem.The polynomial function 
gives the rate of gas leakage from a tank as pressure increases in p units from its initial setting. Will an increase of 3 units result in a lower rate of leakage compared to the initial setting?
A. Yes B. No
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Evaluate.10!
A. 7,257,600 B. 3,628,800 C. 1,814,400 D. 362,880
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Use the graph of y = g(x) to answer the question.
What is the range of g?
A. {y| 2 ? y ? 4} B. {y| -2 ? y ? 4} C. {y| -2 ? y ? 5} D. all real numbers
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