Mathematics

1 July, 01:21

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?

A. All real numbers.

B. All multiples of 3.5 between 3.5 and 7, inclusive.

C. All real numbers from 1 to 2, inclusive.

D. All integers from 1 to 2, inclusive.

+4

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