Intro to Functions

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

A rule says: the input is a word and the output is the last letter of the word.

• Yes, its a function. For every input, there is exactly one output.

• No its not a function. For every input, there can be multiple outputs.

Tags

CCSS.8.F.A.1

Would this be a function?

• Yes its a function, every input has exactly one output.

• No its not a function, some inputs can have more than one output.

Tags

CCSS.8.F.A.1

If the input is 3, what is the output?

• 3

• 6

• 1

• 9

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is this a function?

• Yes, it is a function since every input can only have one output.

• No, it is not a function since an input can have more than one output.

Tags

CCSS.8.F.A.1

A rule says: the input is a word and the output is the last letter of the word.

If the input is SCHOOL, what is the output?

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

What is the range?

• {-3, -1, 2, 4}

• {0, 4, 7} 

• {0, 4, 4, 7}

• {7, 4, 0}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the domain of the graph?

• y≥1, real numbers

• x ≥ 1, real numbers

• All real numbers

• none of these

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5