The curvature of a function f(x) is zero. Which of the following func – McqOptions

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1.	The curvature of a function f(x) is zero. Which of the following functions could be f(x)?
A.	ax + b
B.	ax2 + bx + c
C.	sin(x)
D.	cos(x)
Answer» B. ax2 + bx + c

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