Tell Whether a Linear Model or a Quadratic Model Is $x ^ { 2 }$

question 316

Multiple Choice

Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be
positive or negative. If quadratic, decide whether the leading coefficient a of $x ^ { 2 }$ should be positive or negative.
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• A) quadratic; negative
• B) linear; negative
• C) quadratic; positive
• D) linear; positive