Solve the equation.x4 - 31x2 - 180 = 0
A. {- 
, 
, -6i, 6i}
B. {6, i
}
C. {-36, 5}
D. {-6, 6, -i
, i
}
Answer: D
Mathematics
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Construct a truth table for the statement.~(q ? ~ p)
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Is there an identity element for the operation of subtraction over the set of integers? Support your claim with an example.
What will be an ideal response?
Mathematics
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation 
Note that a maximum r-value occurs at a point that is the maximum distance from the pole.
A. 0, ?
B. 
, 
C. 0
D. ?
Mathematics