State whether the equation defines y as a function of x
If you mean -x + y^2 = 6, then y is not a function of x. There are values of x that yield multiple values of y. For example, let x = 2.
-2 + y^2 = 6
y^2 = 4
y = 2 or y = -2
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If you mean -x + y^2 = 6, then y is not a function of x. There are values of x that yield multiple values of y. For example, let x = 2.
-2 + y^2 = 6
y^2 = 4
y = 2 or y = -2