Expand and simplify the given expression by use of the binomial formula.(3x + 1)4
A. 81x3 + 108x2 + 54x + 12
B. 81x3 + 108x2 + 12x - 1
C. 81x4 + 108x3 + 54x2 + 12x - 1
D. 81x4 + 108x3 + 54x2 + 12x + 1
Answer: D
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Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. {x 
B. {x 
C. {x 
}
D. {x 
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A. 105 words B. 2,524 words C. 2,624 words D. 2,634 words
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