Answer:
a) expected to increase
Explanation:
Here is the complete question: Use the graph attached to Interpret the end behavior of the function in terms of social networking.
As you can look into the graph attached that there is continous upward trend for social networking site since february 2005, every months and years have more number of user than previous months or years. As x-axis is showing data of 48 months, which is having continous growth in user of social networking site and it also showing upward trend for future. Therefore, we can say social networking is expected to increase.