Which of the following shows 8x3y + x2 - 14z - 2 + 5y2x written in standard form?

-14z + 8x3y + 5y2x - 2 + x2
8x3y + 5y2x + x2 - 14z - 2
8x3y + x2 + 5y2x - 14z - 2
x2 - 2 - 14z + 5y2x + 8x2y

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: