Use the graph to determine the function's domain and range.
A. domain: (-?, -5) or (-5, ?)
range: (-?, -2) or (-2, ?)
B. domain: [-5, ?)
range: [-2, ?)
C. domain: (-?, ?)
range: [-2, ?)
D. domain: (-?, ?)
range: (-?, ?)
Answer: C
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Use exponential notation to write the repeated multiplication.9 ? 9 ? 9 ? 9
A. 92 B. 49 C. 36 D. 94
Graph the line described.through (0, 4); m = 
A. 
B. 
C. 
D. 
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Find the vertex of the graph of the function.f(x) = (x + 4)2 + 4
A. (4, -4) B. (4, 0) C. (-4, 4) D. (0, -4)