It's an equation. It would be a function if the domain, codomain, and dependence were defined.
Chat with our AI personalities
The domain of y = x2 is [0,+infinity]
x1:y1 = x2:y2 4:-2 = x2:5 x2 = (4*5)/-2 x2 = -10
the graph is moved down 6 units
Y = X2 forms a parabola
x2 / y = (6)2 /2 = 36/2 = 18