Find the derivative.r =  - 

A. -  + 
B.  - 
C.  - 
D. -  + 


Answer: D

Mathematics

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The NSC (Not So Consistent) Corporation has just completed its first year of business. The following chart shows its monthly profit (or loss). ?In which month was the loss greatest?

A. January B. November C. December D. June

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The table shown was generated by a graphics calculator. The expression y1 represents f(x).All the points lie on a straight line. Find the y-intercept of the line.

A.
B. 0
C. 3
D. Is not shown

Mathematics

Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. ? 0

A. (-2, -1]

B. (-?, -2] or [-1, ?)

C. [-1, ?)

D. (-?, -2) or [-1, ?)

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Solve the problem.A deep-sea diver dives from the surface to 42 feet below the surface. She then dives down 14 more feet. Represent this distance below the surface as an integer.

A. -26 ft B. -28 ft C. -56 ft D. -59 ft

Mathematics