Solve the inequality. Write the solution in interval notation and graph the solution set.4 - 2(1 - x) ? -10
A. [-6, ?)
B. (-?, -5]
C. (-?, -6]
D. (-?, -6)
Answer: C
Mathematics
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Sketch the level curve z = k for the indicated values of k.z = 
, k = -4, -1, 0, 1, 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 4 sec when the length is 64 inches, what is the period when 
(Round to the nearest hundredth.)
A. 5.00 sec B. 4.75 sec C. 1.13 sec D. 4.50 sec
Mathematics
Solve the problem for the given information.What angle does the line 
make with the positive 
A. 90° B. 30° C. 60° D. 45°
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.e-2.8
A. -7.611 B. 0.361 C. 0.061 D. -0.061
Mathematics