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Trigonometry: Graphs

Problems

Graphing Functions

Graphs of Trigonometric Functions

Problem : For a given value of x and a function f , how many values of f (x) exist?

One. A function is defined such that for any x in the domain of the function, there is only one value f (x) in the range.

Problem : Is the graph below a graph of a function?

Yes.

Problem : Is the graph below a graph of a function?

No, for some values of x , f (x) has two values.

Problem : Is the graph below a graph of a function?

Yes.

Problem : Is the graph below a graph of a function?

No. For some values of x , there are two values of f (x) .

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