Find the indicated matrix.Let A = 
. Find 3A.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 7, below by the curve y = 
, and on the left by the y-axis, about the line x = -1
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Identify the form of the argument and state whether the argument is valid or invalid.If it's Tuesday, then this must be Paris.Today is Wednesday. Therefore, this must not be Paris.
A. Law of syllogism; valid B. Fallacy of the inverse; invalid C. Fallacy of the converse; invalid D. Law of contraposition; valid
Mathematics
Multiply and simplify if possible.(
+ 2)(
- 2)
A. 12
B. 8 - 2
C. 6
D. 4
Mathematics
Match the function with one of the graphs.f(x) = - 
x
A. 
B. 
C. 
D. 
Mathematics