Steve and Ed are cousins who were both born on the same day, and both turned 25 today. Their grandfather began putting $3,200 per year into a trust fund for Steve on his 20th birthday

now im not quite sure about this one but im pretty sure its a sorry if im wrong

a linear function has a constant additive rate of change, while a nonlinear function does not. for a table of values to be linear, the dependent variable must have a constant rate of change as the independent variable increases by 1. on a graph, the function must be a straight line to be linear.