Which answer choice is equivalent to the given expression?
+ 
A. 2 sec2x
B. 4 tan2x
C. sec2x - sin x
D. 2 csc2x
Answer: A
Mathematics
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Graph the function.y = 3 csc x
A. 
B. 
C. 
D. 
Mathematics
Multiply:
Mathematics
Solve the problem. Round your answer, if appropriate.A surveyor measured the length of a piece of land at 100-ft intervals (x), as shown in the table. Use Simpson's rule to estimate the area of the piece of land in square feet.
A. 25,000 ft2 B. 24,500 ft2 C. 24,000 ft2 D. 29,500 ft2
Mathematics
Find the domain and range.{(9,-7), (-9,7), (1,-1), (1,4)}
A. domain = {-9, 1, 9, -1}; range = {7, -1, -7, 4} B. domain = {-9, 1, 9}; range = {7, -1, -7, 4} C. domain = {-9, 1, 9, 11}; range = {7, -1, -7, 4} D. domain = {7, -1, -7, 4}; range = {-9, 1, 9}
Mathematics