Provide an appropriate response.Find an equation of the line tangent to y = xcot x at the point x = 1.

A. y = x cot 1 - 1 + cot 1
B. y = x cot 1 - 1 - cot 1
C. y = x cot 1 + 1 + cot 1
D. y = x cot 1 + 1 - cot 1


Answer: D

Mathematics

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The population ?N of a certain state today is 16.7 million people. The average rate of change for N is -0.16 million people per year. Use these facts to estimate the population of the state 6  years from now. ?

A. 16.7 million people B. 18.66 million people C. 15.74 million people D. none of the above

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Solve the problem.A recipe calls for  cup of butter. How much is needed to double the recipe?

A.  c
B.  c
C.  c
D.  c

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Find the volume of the solid. When appropriate, use ? ? 3.14 and round to the nearest hundredth.

A. 4762.80 in.3 B. 3402.00 in.3 C. 9525.60 in.3 D. 2381.40 in.3

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Solve by the substitution method.x - 5y = -28-4x - 6y = -44

A. {(1, 7)} B. {(2, 6)} C. {(-2, 7)} D. ?

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