SOLUTION: determine whether the equation defines y as a function of x: y= sqrt(7x-2)

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Question 319128: determine whether the equation defines y as a function of x:
y= sqrt(7x-2)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No, not a function.
It does not provide a unique y value for each x value because,
sqrt%28a%5E2%29=0+%2B-+a