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: C
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Multiply.(-3y - 4)(9y2 - y + 9)
A. 12y2 - 23y - 36 B. -27y3 - 23y - 36 C. -27y3 - 33y2 - 23y - 36 D. -27y3 - 39y2 - 23y - 36
Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
A. 23,784.75 m2 B. 255.75 m2 C. 17,298 m2 D. 15,135.75 m2
Does the problem involve permutations or combinations? Do not solve.In a student government election, 5 seniors, 3 juniors, and 
sophomores are running for election. Students elect four at-large senators. In how many ways can this be done?
A. permutations B. combinations
Solve the problem. Give an exact answer and an approximation to the nearest tenth.A boat travels 2 mi south and then 4 mi east. How far is the boat from its starting point?
A = 2 miB = 4
A. 
mi ? 2.8 mi
B. 
mi = 10 mi
C. 
mi ? 2.4 mi
D. 
mi ? 4.5 mi