Determine the x values that cause the function to be (a) zero, (b) undefined, (c) positive, and (d) negative.f(x) = 
A. (a) 
, (b) (-?, -8), (c) 
? (6, ?), (d) 
B. (a) {-8}, (b) 
? (-?, -8) , (c) 
, (d) 
? (6, ?)
C. (a) 
, (b) (-?, -8), (c) 
, (d) 
? (6, ?)
D. (a) {-8}, (b) 
? (-?, -8) , (c) 
? (6, ?), (d) 
Answer: D
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A. 
B. 
C. 
D. 
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