Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.tanh-1 4
A. 1.0007
B. 0.2554
C. does not exist
D. 0.9993
Answer: C
Mathematics
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Find the volume by double integration.The volume bounded by the surface 
and the plane 
A. 
?
B. 64?
C. 
?
D. 128?
Mathematics
Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 9.1 hr; Ron: 11.1 hr B. Paul: 10 hr; Ron: 12 hr C. Paul: 8 hr; Ron: 10 hr D. Paul: 8.3 hr; Ron: 10.3 hr
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Solve the system using Gaussian elimination.
?
?
Please enter your answer in the form x = , y = , z = .
What will be an ideal response?
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Graph the polynomial function. f(x) = (x + 1)2(x2 - 25)
A. 
B. 
C. 
D. 
Mathematics