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. 2?
C. 0
D. - 
Answer: A
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Write in expanded form using powers of 10.3,160,036
A. 3 × 106 + 1 × 105 + 6 × 104 + 3 × 103 + 6 × 102 B. 3 × 106 + 1 × 105 + 6 × 104 + 3 × 10 + 6 × 1 C. 3 × 105 + 1 × 104 + 6 × 103 + 3 × 10 + 6 × 1 D. 3 × 106 + 1 × 104 + 6 × 102 + 3 × 10 + 6 × 1
Solve the problem.Syed, who is 1.53 m tall, wishes to find the height of a tree with a shadow 34.97 m long. He walks 22.03 m from the base of the tree along the shadow of the tree until his head is in a position where the tip of his shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.
A. 2.43 m B. 2.49 m C. 1.53 m D. 4.13 m
Perform the indicated operation.4
+ 2m 
- 3
A. -19my2
B. 19my2
C. 19my3
D. 19my2
Draw a complete graph so that it has the given type of symmetry.origin
A. 
B. 
C. 
D. 