Questions: Tell whether a linear or quadratic function would be a more appropriate model for this set of graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, tell whether the coefficient of x^2 should be positive or negative. Would an appropriate model for the graphed data be linear or quadratic?

Transcript text: Tell whether a linear or quadratic function would be a more appropriate model for this set of graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, tell whether the coefficient of $x^{2}$ should be positive or negative. Would an appropriate model for the graphed data be linear or quadratic?