Below is a graph showing the speed in meters/second of a cheetah s seconds after it starts running.

What interpretation can be made from the y-intercept? ____________.

How can the point (3.0, 12) on the graph above be interpreted? ___________.

What is the output value of this graph when the input value is 5.0? _________.

Does the graph above have a constant rate of change? ____________.