Answer the question or provide an explanation.True or false? If f is a one-to-one function and the graph of f lies completely within the second quadrant, then the graph of f-1 lies completely within the fourth quadrant.
A. True
B. False
Answer: A
Mathematics
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Find the value of the trigonometric function.cos 465°
A. -0.71 B. 0.97 C. -0.26 D. 0.26
Mathematics
Solve by the method of your choice. Identify whether the system has no solution or infinitely many solutions, using set notation to express the solution set.
A. {(0, 10)}
B. {(5, -10)}
C. ?
D. {(x, y) 
}
Mathematics
Solve the problem.Sergio's internet provider charges its customers $15 per month plus 6¢ per minute of on-line usage. Sergio received a bill from the provider covering a 
period and was charged a total of $97.80. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)
A. 1038 min B. 380 min C. 1205 min D. 38 min
Mathematics
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics