Determine what kind of function might be used as a model for the data.
A. Linear: f(x) = mx + b
B. Quadratic: f(x) = ax2 + bx + c, a < 0
C. Polynomial, but neither quadratic nor linear
D. Quadratic: f(x) = ax2 + bx + c, a > 0
Answer: A
Mathematics
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