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Fitting quadratic and exponential functions to scatter plots

Davi sent an email to all of his friends. In the email he asked the reader to forward the email to all of their contacts. Each day he documents the total number of people who have received the email. He plotted the points below.
He is looking for a function that models his data. Since the trend of the data is increasing and convex, he found an increasing convex exponential model and an increasing convex quadratic model.
Which of the following functions fits the data better?
Choose 1 answer:
Choose 1 answer:
Use the function that you chose to predict the number of people that will have received the email after 66 days. Round your answer to the nearest whole number.
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