Find the exact value of the expression.cot-1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether the relation is a function.{(-3, 2), (-1, -3), (3, -1), (7, -6)}
A. function B. not a function
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.John owns a hotdog stand. His profit is represented by the equation 
with P being profits and x the number of hotdogs sold. What is the most he can earn?
A. $103 B. $75 C. $49 D. $117
Mathematics
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.The reflection of the graph of y = f(x) across the y-axis
A. (-2, 4) B. (-2, -4) C. (2, -4) D. (2, 4)
Mathematics