Find all solutions of the equation in the interval [0, 2?).cos 2x = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A satellite in a circular orbit 880.9 mi above the earth makes one complete orbit every 82.11 min. What is its linear speed? Use 3963 mi for the length of the radius of the earth.
A. 370.7 mi/min B. 67.41 mi/min C. 397,700 mi/min D. 58.99 mi/min
Mathematics
Simplify using the quotient rule.
A. 648 B. 9 C. 2 D. 810
Mathematics
Find the domain of the function.y = 10 + 
A. (-?, -3) B. (-3, ?) C. all real numbers except 3 D. all real numbers except -3
Mathematics
Sketch the graph of the equation.y = -2x
A. 
B. 
C. 
D. 
Mathematics