Lily hikes at least 1 hour but not more than 3 hours. She hikes at an average rate of 2.2 miles per hour. The distance Lily hikes in t hours is modeled by a function. p (t) = 2.2tp (t) = 2.2t What is the practical range of the function? all real numbers. all multiples of 2.2 between 2.2 and 6.6, inclusive. all real numbers from 1 to 3, inclusive. all real numbers from 2.2 to 6.6, inclusive.

Question

Mathematics

Sylvia Kemp

12 January, 00:42

Lily hikes at least 1 hour but not more than 3 hours. She hikes at an average rate of 2.2 miles per hour. The distance Lily hikes in t hours is modeled by a function. p (t) = 2.2tp (t) = 2.2t What is the practical range of the function? all real numbers. all multiples of 2.2 between 2.2 and 6.6, inclusive. all real numbers from 1 to 3, inclusive. all real numbers from 2.2 to 6.6, inclusive.

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Dylan Murphy · Answer 1

Average rate = distance / time

distance = average rate x time

Range of distance = 2.2 (1) to 2.2 (3) = 2.2 to 6.6

Required range is all real numbers from 2.2 to 6.6, inclusive.