5/8-(1/4) to the 2 power

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

How can you tell when x and y are not directly proportional?