Answer:
18
Step-by-step explanation:
27/150*100/1
divide by 3
9/50*100
100/50=2
9*2=18
Exponential model best represents the data is 
<h3>What is exponents?</h3>
A symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power.
The given table values satisfied the fourth function.
If we put one by one all the values of x given in a table we get the corresponding value of f(x).
like, if we put -2 we get f(x)= 75 closer to 71
Hence, Exponential model best represents the data is 
Learn more about exponents here:
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All of them are wrong except number 12. The top left is 7, the top right is 26, the bottom left is 4. And a little hint, do what's in the parentheses first. Hope I helped!!