There are 42 students in sixth grade.
Answer: 
Step-by-step explanation:

Divide by 23

Extract the square root.

The answer would be 2. As you can see on the point, you already have (-2,2) as a point. F(x) equals y in a sense. So when plugging in x into a function, you should get its respect y value. In the function graph, -2 yields 2. Therefore, your answer is 2.
Likely because she has 1 out of 6 chances of rolling a 4