Hello!
The answer for f(x) = sqrt x is the image below. It is neither of these, so check to see if you have more answer choices. (Just make sure to pay attention to the x- and y-values that the graph is plotted on below)
I hope this helps :))
For the first 1 X= 11 because all you need to do is add or subtract the numbers visible.
The second would be 2.
Answer: x=15
Answer: x=15
.......
Idk what the answer is to your question
D. S, the number of students at the school