Functions and Vertical Line Test

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• function

• not a function

Is y a function of x?

• Yes, because it passes the vertical line test

• No, because it does not pass the vertical line test

Which graph represents a function?

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