SOLUTION: Determine whether the equation defines y as a function of x.
x + y = 9
Algebra.Com
Question 634823: Determine whether the equation defines y as a function of x.
x + y = 9
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Solve for y to get
Since plugging in any x value gives you one and only one y value, this means that y is definitely a function of x.
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