Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Answer: B
Mathematics
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Simplify the expression.(1 + i)2 - (1 + i)
A. 1 - i. B. -1 - i. C. 1 + i. D. -1 + i. E. none of these
Mathematics
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = -1x = 
(solid)
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Evaluate the expression for othe given values of the variables.b2 - 4ac for a = 3, b = -5, and c = 4
A. -19 B. -23 C. -33 D. -29
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics