Determine Whether a Linear or Quadratic Function Would Be a More

question 78

Multiple Choice

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 $x ^ { 2 }$ should be positive or negative. $\text {DENTAL FLOSS USE}$

$\text {Years since 2000}$

• A) Linear; positive
• B) Linear; negative
• C) Quadratic; negative
• D) Quadratic; positive

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