Hong hikes at least 1 hour but not more than 4 hours. she hikes at an average rate of 2.7 mph. the function f(t)=2.7tf(t)=2.7t represents the distance she hikes in t hours.

what is the practical range of the function?

all real numbers

all multiples of 2.7 between 2.7 and 10.8, inclusive

all real numbers from 2.7 to 10.8, inclusive

all real numbers from 1 to 4, inclusive

since the range is the value that satisfy the given function. For function f(t) = 2.7t the practical range of the function can be solve by subtituting the lowest time and the highest possible time which is 1 and 4. At t = 1 f(t) = 2.7 and at t = 4 f(t) = 10.8. so the range is all real numbers from 2.7 to 10.8, inclusive

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