Simplify. If an expression does not represent a real number, state this. -
A. not a real number
B. -4
C. 4
D. -204.8
Answer: B
Mathematics
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Choose the graph that matches the function. f(x) = - 
x - 3
A. 
B. 
C. 
D. 
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Find the derivative.
A. - csc2 ? csc2 (cot ?) B. csc2 ? cot ? C. csc2 (cot ?) D. - csc3 ? cot ?
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Identify the number as prime, composite, or neither.163
A. Composite B. Prime C. Neither
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.11 - 9
A. 10
B. 2
C. 1
D. 2
Mathematics