Is the following graph proportional or non-proportional?

What is the y-intercept for the following graph and is it proportional or non-proportional?

Does this equation represent a proportional relationship?

The video game rental fee is $15 plus $3 per day.

Shawn makes $7.50 an hour to babysit for her next door neighbors.

Is this an example of a proportional or non-proportional linear situation?

Is this an example of a proportional or non-proportional linear situation?

Is this an example of a proportional or non-proportional linear situation?

Is this an example of a proportional or non-proportional linear situation?

Does the table show a proportional relationship?

Does the table show a proportional relationship?