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Advanced Math / Nonlinear functions Difficulty: Medium

y = 0.25 x 2 - 7.5 x + 90.25

The equation gives the estimated stock price y , in dollars, for a certain company x days after a new product launched, where 0x20. Which statement is the best interpretation of x,y=1,83  in this context?

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Explanation

Choice C is correct. In the given equation, x represents the number of days after a new product launched, where 0x20, and y represents the estimated stock price, in dollars, for a certain company. Therefore, the best interpretation of x,y=1,83 in this context is that 1 day after the new product launched, the company's estimated stock price is $83.

Choice A is incorrect and may result from conceptual errors.

Choice B is incorrect and may result from conceptual errors.

Choice D is incorrect and may result from conceptual errors.