Answer:
the yellow thing is called a radical and the answer is 7.07 or 5√2 in radical form
Step-by-step explanation:
B because for it to be a function one X value cant have more than one Y value and B is the only one that follows the rule
1 hundredth+3 tenths= 3 hundredths
So i drew 12 circles and 37 circles
And i got 49 total:D
i hope this helps and sorry that the pic is wierd:(