w(t) = 300−4t The function w models the volume of liquid, in milliliters, in a container t seconds after it begins draining from a hole at the bottom. According to the model, what is the predicted volume, in milliliters, draining from the container each second?
Correct answer: D (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice D is correct. It’s given that the function w models the volume of liquid, in milliliters, in a container t seconds after it begins draining from a hole at the =300-4 =-4 +300 bottom. The given function w^th t can be rewritten as w^th t . 4 1 Thus, for each increase of t by 1, the value of w^th decreases by ^ h, or 4. Therefore, the predicted volume, in milliliters, draining from the container each second is 4 milliliters. Choice A is incorrect. This is the amount of liquid, in milliliters, in the container before the liquid begins draining. Choice B is incorrect and may result from conceptual errors. Choice C is incorrect and may result from conceptual errors.
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