Provide an appropriate response.Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient of x2 should be positive or negative. DENTAL FLOSS USE 
Years since 2000
A. Linear; positive
B. Quadratic; positive
C. Linear; negative
D. Quadratic; negative
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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A. True B. False
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