Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 1, g(x) = 
A. Yes, no
B. No, yes
C. No, no
D. Yes, yes
Answer: D
Mathematics
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A. 
B. - 
C. - 
D. 
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A. -10 B. -22 C. 8 D. -2
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x = __________
Fill in the blank(s) with the appropriate word(s).
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Evaluate the integral.
?
?
A. 
B. 
C. 
D. 
E. 
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