Hope this helps good luck!!
It is -1 because there is a negative one in front of the x.
The number of people that have watched the video is 858 people
<h3>What is a function?</h3>
A function is a mathematic rule. We know that a function shows the rule that is to be carried out and is often written in the form of an equation.
Now we have the function shown as; f(x) = 33(1.3)x. Since we know that the term x is referred as the number of days the video has been online.
Thus, f(x) = 33(1.3)(20) thus we can now say that the number of people who have vied the video in twenty days is 858 people.
Learn more about mathematical function:brainly.com/question/26382648
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