Classify each representation shown below as either linear or exponential.

One person sends an email to 2 people. Those 2 people send it to 4 people, and those 4 send it to 8 people.

I think the problem is an example of an exponential representation.

1 person emailed 2 people

2 people emailed 2 people each, totaling 4 people

4 people emailed 2 people each, totaling 8 people

2¹ = 2

2² = 4

2³ = 8 and so on ...