An object was shot into the air from a platform 12 feet above the ground. The table below shows the height of the object at various times. What is the best-fit quadratic model?

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An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .