Solve the problem.The annual revenue and cost functions for a manufacturer of precision gauges are approximately  and  where x denotes the number of gauges made. What is the maximum annual profit?

A. $1,403,333
B. $1,203,333
C. $1,303,333
D. $1,103,333


Answer: D

Mathematics

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Write the given iterated integral as an iterated integral with the order of integration interchanged.

A.
B.
C.
D.

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FInd the tangential and normal components of the acceleration.r(t) = (t - 7)i + (ln(sec t) - 1)j + 2k, -?/2 < t < ?/2

A. a = (cos t)T + (cos t)N B. a = (csc t)T + (sec t)N C. a = (sec t tan t)T + (sec t)N D. a = (sec2 t)T + (cos t)N

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Solve for y.10x - 3y = 10

A. = 
B. = 10- 13
C. = 10+ 13
D. = 

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Solve for x and graph the solution.x - 7 < -18

A. x ? -11

B. x > -11 

C. x ? -11 

D. x < -11

Mathematics