This item has two parts: Part A and Part B. Use the information and table to complete Part A and Part B.
The table shows how the total number of views of two internet videos are changing over time.
Video Views
Date Video 1 Total Views Video 2 Total Views
July 10 5,000 20,000
July 11
15,000 50,000
July 12
45,000 100,000
July 13
135,000 150,000
July 14
405,000 190,000
Part A
Which of the following statements is TRUE?
The total number of views for Video 2 are linear because they increase by equal differences over equal intervals.
The total number of views for Video 1 are exponential because they grow by equal factors over equal intervals.
The total number of views for Video 2 are exponential because they grow by equal factors over equal intervals.
The total number of views for Video 1 are linear because they increase by equal differences over equal intervals.
Part B
What is the average rate of change of the total number of views for Video 2 between July 12 and July 14?
45,000
30,000
190,000
90,000