SOLUTION: Determine whether the equation defines y as a function of x. x + y = 49

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Question 1174854: Determine whether the equation defines y as a function of x.
x + y = 49
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
  y = -x + 49  is a function: each value of x has one value for y
vertical Line test demonstrates that.
  


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