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. Quadratic: f(x) = ax2 + bx + c, a > 0
D. Polynomial, but neither quadratic nor linear
Answer: B
Mathematics
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A. 38x B. 19x C. 19x2 D. 60x
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The graph that follows is the graph of a polynomial function. (i) What is the minimum degree of a polynomial function that could have the graph? (ii) Is the leading coefficient of the polynomial negative or positive? 
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