Solve the inequality.x2 - 4x - 5 ? 0
A. (-?, -1]
B. [-1, 5]
C. [5, ?)
D. (-?, -1] or [5, ?)
Answer: B
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Provide an appropriate response.Let f(x) = 9(2x), and consider the sequence f(1), f(2), f(3), . . . . Is this a geometric sequence, and if so, what is the common ratio?
A. Yes; 2 B. Yes; x C. Yes; 9 D. No
Provide an appropriate response.True or false? 
? 
= 
A. True B. False
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Graph the fraction on a number line.
A. 
B. 
C. 
D. 