Solve the problem.A pantograph is a mechanical device that can be used to draw enlargements or reductions. The pantograph below has a fixed point O. If point P is moved over a picture, P' traces out the copy of the picture, what is the scale factor of the size transformation? Assume all of the points along the strips are the same distance apart.
A. 2
B. 1/3
C. 1/2
D. 3
Answer: C
Mathematics
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Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
- 
A. 
B. 
C. 
D. 
Mathematics
Express the value of the inverse hyperbolic function in terms of natural logarithms.cosh-1 3
A. ln (6)
B. ln (3 + 
)
C. ln (3 + 
)
D. ln (3 - 
)
Mathematics
Determine whether the improper integral is convergent or divergent, and calculate its value if it is convergent.
Mathematics
Solve the compound inequality. Other than ?, graph the solution set on a number line.0 ? 
< 3
A. 
B. 
C. 
D. 
Mathematics