In the following pictograph, how mThe following stem-and-leaf plot represents the scores earned by Mr. Roberts's class on their most recent science test.

How many of the students scored less than a 75?
any books has Group 3 read? 25, 12, 18, or 15

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.