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

Two spray paint machines are used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint? e used to paint different portions of a large wall. the first machine (nicknamed "paint pro") is used for two hours. the second machine (nicknamed "goldilocks") is used for an hour and a half. when they are working at the same time, they can paint 55 square feet per minute. together they painted 5850 square feet of wall. how many square feet of wall per minute can each machine paint?