Write the interval as an inequality involving x, and illustrate the inequality using the real number line.(-9, ?)
A. x > -9
B. x ? -9
C. x ? -9
D. x > -9
Answer: D
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Solve the equation.|x| = 8
A. 8 B. 64 C. ±8 D. -8
Provide the proper response.
is continuous at a. What value(s) of a allow(s) this statement to be true? Give a complete list of the values a could have.
A. The function would be continuous if a were -1, 0, or 1. B. The function would be continuous if a were 1. C. The function would be continuous if a were 0. D. The function would be continuous if a were either 0 or 1.
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Find the indicated probability.The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement 
Suppose one of these people is selected at random. Compute the probability that the person either 
A. 0.507 B. 0.253 C. 0.064 D. 0.443