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Linear vs. exponential growth: from data

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Problem

The number of views on a cat video and a dog video after they're uploaded are represented by the following tables:
Cat video
Time (months)Views
050
5313
101950
1512,210
2076,300
Dog video
Time (days)Views
010
6452
12889
181330
241770
Determine whether the data described in the tables is best modeled by a linear function or an exponential function.
Linear function
Exponential function
Cat video
Dog video
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