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If a vertical line passes through the supposed function at only one spot then you have a function.

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Q: Can a parabola represent a function?
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Does a sideways parabola represent a function?

No, it does not. You can tell if something is a function or not by using the vertical line test. If there is more than one point at any vertical line, it is not a function.


What is the parabola fo y equals 4-16y-11?

The equation does not represent that of a parabola.


Is a parabola always a function?

Yes, it is.


How do you find the endpoints of a parabola when you have the function of the line?

A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.A parabola has no endpoints: it extends to infinity.


What is another name for a quadratic function?

A 'Parabola'


Is a parabola a function?

Y = X2 ===== The graph of this parabola is crossed only at a point and once by a vertical line, so it is a function. Passes the vertical line test.


What name is given to the shape of a quadratic function?

A parabola


What is the name of the graph of a quadratic function?

The parabola


Why is any parabola that opens upward or downward a function?

It is a function because for every point on the horizontal axis, the parabola identified one and only one point in the vertical direction.


What is a parabola that opens to the right called?

It is a square root mapping. This is not a function since it is a one-to-many mapping.


A function wahose graph is parabola?

Any equation where variable a = some multiple of variable b2 + constant will graph a parabola.


Where is the point on the parabola for the maximum area?

The point on the parabola where the maximum area occurs is at the vertex of the parabola. This is because the vertex represents the maximum or minimum point of a parabolic function.