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 from 1 to 4, inclusive

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

Question

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 from 1 to 4, inclusive

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

hannansm · Answer

The range refers to the lowest up to the highest point that your function can be.
Since the lowest value for t is 1 and the highest value is 4, you just have to substitute those values into the equation. Therefore, the answer is,
all real numbers from 2.7 to 10.8, inclusive.