Here the given expression is

And the given value of x=5 . We need to find the value of y when x=5. And for that, we need to plug 5 for x .

So when x=5, y= 7.6
Student A is wrong and Student B is correct.
How?
- Direction is saying to construct a line that passes through C
- The last step is enough to describe that A is wrong.
- Its saying to swing an arc(Should be line).
- On the other hand Student B has done correct
- By passing point through C and G it satisfies our required construction.
2.83 if rounded. 2.82842712475 would be the actual.
Hope this helped!
Answer:
See attachment below
Step-by-step explanation: