Solve the problem.A region in the first quadrant is bounded above by the curve y = tanh x, below by the 
on the left by the 
and on the right by the line 
Find the volume of the solid generated by revolving the region about the x-axis.
A. ?
B. 0
C. 2?
D. - 
Answer: A
Mathematics
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Answer the question.What does the digit 7 mean in the number 189,247?
A. 7 thousands B. 7 ones C. 7 hundreds D. 7 tens
Mathematics
Find the value of the permutation.P(5, 1)
A. 120 B. 24 C. 1 D. 5
Mathematics
Find an equation of the parabola described and state the two points that define the latus rectum.Focus at (0, 3); directrix the line y = -3
A. x2 = 16y; latus rectum: (8, 3) and (-8, 3) B. x2 = 12y; latus rectum: (3, 6) and (-3, 6) C. x2 = 12y; latus rectum: (6, 3) and (-6, 3) D. y2 = 16x; latus rectum: (7, 8) and (-7, 8)
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.5
? 1
A. 8
B. 9
C. 27
D. 3
Mathematics