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)=2.2t What is the practical range of the function?
a) all real numbers from 1 to 3, inclusive
b) all real numbers
c) all real numbers from 2.2 to 6.6, inclusive
d) all multiples of 2.2 between 2.2 and 6.6, inclusive