Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. 
; u = e4x + 1, du = 4e4x dx, n = -1/2
B. 
; u = e4x, du = 4e4x dx, n = -1/2
C. 
; u = 
, du = e4x dx, n = -1
D. 
; u = e4x + 1, du = e4x dx, n = -1/2
Answer: A
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A. 
B. 
C. 
D. 
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