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One output for each input

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11y ago

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How can you tell if a relationship is a function?

U can see if there is and input that can go into two outputs if there is it's not a function if there is and imput that only goes in to one output it's is a function


How do you know if an equation is a linear function?

A linear function has and x and a y and neither one is raised to a power other than 1.


How does you know that relation is a function?

One way is to try the vertical line test on a graph!


How does one find the range of a radical function?

You need to know the domain in order to find the range.


What is a one to one function plus examples?

See the related link - Math Warehouse.First it has to be a function, that means for each and every x value, there is one and only one y value. Often the term vertical line test, is used. That means a vertical line will cross the graph only one time at every x value, then it is a function.If it is a function, and for every y-value, there is only one x-value, then it is a one-to-one function. Often you may see horizontal line test, as a way of checking.Examples of one-to-one functions:y = xy = 2x +3y = e^xExamples of functions, which are notone-to-one:y = x² [parabola: (2)² and (-2)² both equal 4]y = sin(x) [y will oscillate back and forth between +1 and -1 indefinitely]If a function passes the tests and is a one-to-one, then the function will have an inverse.Also, a function can be defined as one-to-one over a specific range. Like x² for all x > 0 {positive numbers}

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How do we know that the input have one output or more in a function in math?

By definition. If one input has more than one outputs then it is not a function.


Who sings you know a Heartache when you see one?

I think the song you are referring to may be "I Know a Heartache When I See One" by Jennifer Warnes.


How can you tell if a relationship is a function?

U can see if there is and input that can go into two outputs if there is it's not a function if there is and imput that only goes in to one output it's is a function


How do you know if an equation is a linear function?

A linear function has and x and a y and neither one is raised to a power other than 1.


How does you know that relation is a function?

One way is to try the vertical line test on a graph!


What is a function graphed with a line or smooth curve called?

A differentiable function, possibly - to distinguish it from one whose graph is a kinked curve.


How does one find the range of a radical function?

You need to know the domain in order to find the range.


How do you tell a graph is a function if it touches the y-axis exactly one time?

The main way that a graph can be defined as a function is if it passes the vertical line test; this means that each individual x must correspond to one specific value of y. In the situation you mentioned, we don't know if the graph in question really is a function, because we only see the point at y; we don't know if the graph loops around on itself and fails the vertical line test at any other point.


What function is considered a conditional function?

The IF function is a conditional function. See the related question below.