Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 7x)
A. p2(x) = 7x - 
x2
B. p2(x) = 1 + 7x + 
x2
C. p2(x) = 1 - 7x + 
x2
D. p2(x) = 7x + 
x2
Answer: A
Mathematics
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