Quick Practice: Equation of a Line (Data Company Selection)

Last updated over 2 years ago
2 questions
1

Here is the graph of a monthly cost vs data usage for a friend of mine. (Yes, now I am just obsessed!)


What is the equation of this line?

1

Here are the three plans we discussed in class:
If my average data usage is 100 GB a month, which plan do you think will suit me best? Justify your answer.