No, because there are TWO values of y for a certain value of x
say x=5, then y=2 and y=-2
That does not satisfy the concept of the function.
Is this some sort of cryptic message?
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Answer:
You can't get a square root of any number that has a negative sign on the inside of the radical
Answer:
10 units
Step-by-step explanation:

Whats the problem you need help with