jack recently planted a beanstalk and decided to measure its height each day. jack plotted the following points on a graph, where the x-axis represented the day and the y-axis represented the height of his new beanstalk: (0,0); (1,2); (2,4); (3,6); (4,8); (5,10).

which of the following correctly interprets the average rate of change?

select one:
a. jack's beanstalk grew 1 unit every two days.
b. jack's beanstalk grew 2 units every day.
c. jack's beanstalk grew 1 unit every day.
d. jack's beanstalk grew 2 units every three days.