A train is traveling 55 miles per hour to a destination that is 330 miles away. The function f (x) = - 55x+330 represents the remaining number of miles to the destination after x hours of travel.

What is the practical domain of the function f?

all whole numbers from 0 to 6

all real numbers from 0 to 330

all real numbers from 0 to 6

all multiples of 55 between 0 and 330

Question

Cayden Hines

1 January, 21:24

+2

Answers (2)

Know the Answer?

Humberto Massey · Answer 1

It's all real numbers for sure and I think that it might be from 0 to 6, I think! I know for sure that it is all real numbers though.

Anastasia Haynes · Answer 2

the domain is the numbers that would satisfy x

since x = the number of hours

it would be all real numbers between 0 and 6