I do not believe so but dont quote me on it.
Answer:
a
Step-by-step explanation:
to be a function, every x has to have exactly one y, so there can't be the same number x twice wirh different y's
Sorry if this is wrong and it doesn't hep but I got 32
80 • 5 (80, 5 times)
80
80
80
80
+__
160+160=320 minutes
ANSWER

EXPLANATION
The given radical is

Remove the perfect square from the second radical.




Subtract the like radicals
