Half of 5.00 is 2.50, I suppose the 50 is the X in the situation, I don't have a graph to work on sorry I tried to help as much as I can.
The ones with the same number under te radical sign
compare the numbers
A. 3 and 5, nope
B. 6 and 5, nope
C. 3 and 3 yep
D. 2 and 3, nope
answer is C
