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Give the focus, directrix, and axis for the parabola.
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Adult Cigarette
A roll of tobacco designed for smoking, primarily used by adults, associated with various health risks, including lung cancer, cardiovascular diseases, and respiratory disorders.
Efficiency
The ability to accomplish a task with the least waste of time and effort.
Effectiveness
The degree to which a procedure, when used under usual or everyday conditions, achieves the intended effect or results, distinguishing it from efficacy, which is measured under idealized conditions.
Efficacy
The ability to produce a desired or intended result.
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