Mathematics, 13.11.2020 21:50 Weser17

Evelyn walks on a treadmill for at least 1 hour but not more than 2 hours. She walks at an average rate of 3.5 miles per hour. The distance Evelyn walks in t hours is represented by a function. r(t)=3.5t

What is the practical domain of the function?

all multiples of 3.5 between 3.5 and 7, inclusive
all real numbers
all real numbers from 1 to 2, inclusive
all integers from 1 to 2, inclusive

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