Differentiate.f(x) = x(7.4)x
A. (7.4)x + x(7.4x)
B. (7.4)x + (ln 7.4)7.4x
C. (ln 7.4) ? x ? 7.4x
D. (7.4)x + (ln 7.4) ? x ? (7.4)x
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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