What Coefficient Indicates Whether the Graph of the Parabola Opens $f ( x ) = - 7 x ^ { 2 } + 3 x + 9$

question 3

Short Answer

What coefficient indicates whether the graph of the parabola opens upward or downward? $f ( x ) = - 7 x ^ { 2 } + 3 x + 9$

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Definitions:

Degree of Arousal

A measure of an individual's physiological and psychological state of alertness, excitement, or engagement, which can be influenced by various stimuli or activities.

Hedonic

relates to or is considered in terms of pleasant (or unpleasant) sensations, often used in the context of consumption experiences that provide pleasure or satisfaction.

Utilitarian

Pertaining to or based on the principle of utilitarianism, which advocates for actions that maximize happiness and well-being for the majority of a population.

Subjective

Based on or influenced by personal feelings, tastes, or opinions.