Write an exponential function to represent the spread of ben's social media post
day. number of shares
0 2
1 6
2 18
ben shared his post with two friends. each of those friends shares with 3 more everyday, so the number of shares triples each day.

an exponential function to represent the spread of ben's social media post

is

Given :

Ben shared his post with two friends. Each of those friends shares with 3 more everyday, so the number of shares triples each day.

Exponential equation of the form

The number of shares triples each day

So the value of b is 3

Now we find out the value of 'a'. use the given table . Lets pick (0,2) from the table

an exponential function to represent the spread of ben's social media post

is

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so, converting firstly the mixed fractions to improper fractions and then "adding".