Question

The table shows how the time it takes a train to travel between two cities depends on its average speed.

Which rational function models the time, y, in hours, that it takes the train to travel between the two cities at an average speed of x miles per hour?

y= x/6.4
y= x/160
y= 6.4/x
y= 160/x​

Answer 1

Answer: Y=160/x

Answer:

Explanation:

The table shows how the time it takes a train to travel between two cities depends on its average speed.

function models the time, y, in hours, that it takes the train to travel between the two cities at an average speed of x miles per hour

y represents the time

and x represents the average speed

WE know distance = speed * times

LEts find the distance using the table

distance = 32* 5= 160

40*4= 160

50*3.2 = 160

Time = distance / speed

times is y , distance is 160 and speed is x

Explanation:

Answer 2

`y=(160)/(x)`

Explanation:

The table shows how the time it takes a train to travel between two cities depends on its average speed.

function models the time, y, in hours, that it takes the train to travel between the two cities at an average speed of x miles per hour

y represents the time

and x represents the average speed

WE know distance = speed * times

LEts find the distance using the table

distance = 32* 5= 160

40*4= 160

50*3.2 = 160

Time = distance / speed

times is y , distance is 160 and speed is x

`y=(160)/(x)`