For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 - 1; g(x) = 2x2 - 1Find f ? g.
A. (f ? g)(x) = 5x3 + 2x2 + 1; all real numbers
B. (f ? g)(x) = 10x6 - 5x3 - 2x2 + 1; all real numbers
C. (f ? g)(x) = 10x5 - 5x3 - 2x2 + 1; {x|x ? 0}
D. (f ? g)(x) = 10x5 - 5x3 - 2x2 + 1; all real numbers
Answer: D
Mathematics
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A. 
+ 
+ 
+ 
B. 
- 
+ 
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C. 
+ 
+ 
+ 
D. 
- 
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