Solve the problem.For what values of x can we replace cos x by 
with an error of magnitude no greater than 
A. -0.376 ? x ? 0.376
B. -0.311 ? x ? 0.311
C. -0.589 ? x ? 0.589
D. -0.493 ? x ? 0.493
Answer: C
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Find the sum of the series as a function of x.
A. 
B. 
C. - 
D. - 
Add. Simplify the result whenever possible.
+ 
A. 
B. 
C. 
D. 
Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: x2 + 4x + 13 = 0.
A. x = 2 + 3i, 2 - 3i B. x = -2 + 3i, 2 - 3i C. x = -2 + 3i, -2 - 3i D. x = -2 + 9i, -2 - 9i
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 122 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 61 cubic inches.
A. 
pounds per square inch
B. 28 pounds per square inch
C. 26 pounds per square inch
D. 14 pounds per square inch