The distance a marathon runner covers can be modelled by the function d(t) = 153.8t + 86 where d represents the distance in metres and t represents the time in minutes. Approximately how long will it take her to run the 42.2 km race? O a. 6.0 h О Ь. 5.0 h О с. 4.5 h O d. 5.5 h

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