Given the graph of f, find any values of x at which f ' is not defined.
A. x = 2
B. x = 1, 3
C. x = 1, 2, 3
D. Defined for all values of x
Answer: D
Mathematics
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Write the expression in terms of sines and/or cosines, and then simplify.
- 
A. 1
B. 
C. 1 - tan2 ?
D. 
Mathematics
Perform the matrix multiplication.
A. 
B. 
C. 
D. 
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Solve the problem.Find the work done in winding up a 250-ft cable that weighs 2.00 lb/ft.
A. 500 ft?lb B. 62,500 ft?lb C. 31,300 ft?lb D. 188,000 ft?lb
Mathematics
Use the information given in the figure.
How many are in B but not in A?
A. 18 B. 27 C. 16 D. 23
Mathematics