Graph the function.y =  cot  

A.

B.

C.

D.


Answer: A

Mathematics

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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. {(8, 7)} B. {(8, 6)} C. {(7, 7)} D. no solution; ?

Mathematics

Solve the problem.Mr. Larsen's third grade class has 22 students, 12 girls and 10 boys. Two students must be selected at random to be in the fall play. What is the probability that no boys will be chosen? Order is not important.

A.   
B.  
C.   
D.   

Mathematics

Find the area of the specified region.Inside the lemniscate r2 = 4 sin 2? and outside the circle r = 

A. (3 - ?)
B. (2? + 3)
C. (3 - ? + 6)
D.

Mathematics

Solve the problem.Given that ,evaluate 

A.
B.
C.
D.

Mathematics