Solve the problem.For approximately what values of x can cos x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.90288
B. |x| < 0.91839
C. |x| < 1.23799
D. |x| < 1.29199
Answer: C
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Find the length of the curve.The spiral r = 4?2, 0 ? ? ? 2
A. 
((?2 + 1)3/2 - 1)
B. 
C. 
?5
D. 
Use graphical methods to find any turning points of the graph of the function.f(x) = 
A. (0, 0) and (3, 0.75) B. (3, 0.75) C. (0, 0) D. No turning points
Lorimar Watch Company manufactures travel clocks. The daily marginal cost function associated with producing these clocks is
?
?
where 
is measured in dollars/unit and x denotes the number of units produced. Management has determined that the daily fixed cost incurred in producing these clocks is $130. Find the total cost incurred by Lorimar in producing the first 600 travel clocks/day.
?
A. $2,182
B. $1,970
C. $2,313
D. $2,254
Decompose into partial fractions.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 