Find Dxy.y = -coth-1 

A.
B.
C.
D.


Answer: D

Mathematics

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Find the length of the curve.y = (x4/3 - 2x2/3) from x = 1 to x = 64

A. 275
B.  
C.  
D.  

Mathematics

Solve the problem.An office manager is buying used filing cabinets. Each small file cabinet costs $6, takes up 5 square feet of floor space, and holds 8 cubic feet of files. Each large file cabinet costs $9, takes up 10 square feet of floor space, and holds 13 cubic feet of files. The total cost cannot exceed $84, and the office has no more than 80 square feet of floor space available for the cabinets. How many of each file cabinet should the manager buy to maximize storage capacity? What is the maximum storage capacity?

A. 0 small file cabinets and 12 large file cabinets; 156 cubic feet B. 4 small file cabinets and 8 large file cabinets; 168 cubic feet C. 12 small file cabinets and 0 large file cabinets; 96 cubic feet D. 8 small file cabinets and 4 large file cabinets; 116 cubic feet

Mathematics

Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-4x3y)4

A. (-4)4x7y4 B. -16x3y C. -16x3y4 D. (-4)4x12y4

Mathematics

Answer the question or solve the problem.If a ? b, is it always true that -7a ? -7b? Explain.

What will be an ideal response?

Mathematics