Graph the solution set of the inequality and express it in interval notation.|x| < -11
A. (-?, -11)
B. (-11, 11)
C. empty set 
D. the set of real numbers
Answer: C
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Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.223, 225, 300, 291, 289, 267, 171, 166, 141
A. 60.3 B. 28.8 C. 56.8 D. 64.4
Solve.A ball is thrown downward with an initial velocity of 28 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be 
from the ground. Round your answer to the nearest tenth of a second.
A. 3.9 sec B. 2.8 sec C. 3.0 sec D. 2.9 sec
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 3
; 
B. 4
; 
C. 4
; 
D. 3
; 
The graph of the function f is shown below. Match the function g with the correct graph.g(x) = - f(-x) + 4
A. 
B. 
C. 
D. 