Is it a function?

If you have a function, then:

• Every unique input DOES NOT have a unique output.

• Every unique input HAS a unique output.

Tags

CCSS.8.F.A.1

If we have a table or set of coordinates, what question should we ask ourselves first?

• Do you have repeated inputs (x-values)?

• Does it pass the vertical line test?

Tags

CCSS.8.F.A.1

If a table or set of coordinates has repeated inputs, what do we ask ourselves next?

• Does it pass the vertical line test?

• Are the outputs (y-values) different?

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

If we are given a graph of a relation, what do we ask ourselves next?

• Do you have repeated inputs (x-values)?

• Does it pass the Vertical Line Test?

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Tags

CCSS.8.F.A.1

Is this a function?

• Yes, it is a function.

• No, it is not a function.

Is this a function?

• Yes, it is a function.

• No, it is not a function.