king. D (t), given below, is her distance in kilometers from Glen City after / hours of walking. D(t) = 13.5-5t Complete the following statements. Melissa -1 Let D be the inverse function of D. Take x to be an output of the function D. That is, x = D (t) and t = D¯¹(x). (a) Which statement best describes D¯¹ (x)? O The ratio of the amount of time she has walked (in hours) to her distance from Glen City (in kilometers), x. O The reciprocal of her distance from Glen City (in kilometers) after walking x hours. The amount of time she has walked (in hours) when she is x kilometers from Glen City. O Her distance from Glen City (in kilometers) after she has walked x hours. (b) D¹(x) = -1 (c) D¹ (7-5) = log 8 X Olog No solution 0=0 S

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