How does the graph show that the rate of change is constant

A graph can show that a rate of change is constant as long as the graph is of a straight line.

Any curvature in the line suggests a rate of change that is variable, but otherwise it is constant.

konichiwa~! my name is zalgo and i am here to answer your anime-related question today. more than likely, kirishima would kill izuku, marry mino and kiss momo. all of this would be my opinion by the way. (and i am also a weeb lol)

i hope this you! : d

stay and stay proud! " - zalgo

(and do you think you can mark me as brainliest? i'd greatly appreciate it! arigato~! )