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No. Use the vertical line test along the Y axis and if the line is crossed more than once, you know that it isn't a function.

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Q: Can a function have more than one y-intercept?
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Related questions

In a function can an input have more than one outputs?

No. If an input in a function had more than one output, that would be a mapping, but not a function.


Can an invertible function have more than one x-intercept?

No. If the function has more than one x-intercept then there are more than one values of x for which y = 0. This means that, for the inverse function, y = 0 should be mapped onto more than one x values. That is, the inverse function would be many-to-one. But a function cannot be many-to-one. So the "inverse" is not a function. And tat means the original function is not invertible.


Can a function have more than one input?

yes


Is the graph of every line a function?

No. One argument of function may have only one value. So, if it has more than one value, it is not a function.


Can a function have more than one output per one input?

No. A function has only one output per input.


Does a program exist with more than one main function?

No, it does not.


Can functions have more than one answer?

No. In fact, a function can't have an answer at all, because it's not a question.An equation has an answer, and possibly more than one.In general, an equation is in the form of (one function) = (another function).(One of the functions may be zero or a constant.)


For every input there must be only one output for it to be a function What if there was more than one output to an input is it still then a function?

No, it is not. A function can only have one output per input. (If it has more than one, it is still maths, but it cannot be called a "function". It would probably be called an equation or a formula etc...).


What does a one to one function look like?

One to one functions on a graph can vary. To determine if a function is one to one, a horizontal line can only intersect the function once. If it intersects the function more than once, it is not a one to one function.


What is the function of plural executives?

To denote that there is more than one executive.


Can a friend function be friend with more than one class?

yes


Can a function be called from more than one place in a program in c plus plus?

In C and C++, as well as in many (all?) languages, a function can be called from more than one place in a program. That's the purpose of functions - to encapsulate pieces of code that are needed in more than one place in the program.