Question

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.

Answer 1

Object 2 traveled at a faster speed.

The speed of Object 2 is 10, it is given in the equation. You multiply the amount by 10.

The speed of Object 1 is 9, you have to calculate it from the data. If you divide all of the distances by the time, you will have 9.