Question

A train is traveling 55 mph to a destination that is 330 mi 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 real numbers from 0 to 330

all whole numbers from 0 to 6

all real numbers from 0 to 6

all multiples of 55 between 0 and 330

Answer 1

so A

Answer 2

I already did this one, actually the correct answer was C

Answer 3

Thanks anyways :)

Answer 4

ok must of missunderstood

Answer 5

no problem