Functions & their Vocabulary

Functions & their Vocabulary

Poll

While Everyone joins the game, answer this question: How familiar are you with functions?

• uh... What is a function?

• I have heard of them but know nothing about them

• I know a little bit about them

• I know everything there is to know about them

Function

• Definition: A relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.

• Characteristic/Fact: A function is often in the form of y = x with some operation being performed on the x value

Open Ended

Do you think that this is a function? Yes or No? Why or Why not?

Input

• Definition: what is put in, taken in, or operated on by any process or system such as a function

• Characteristic/Fact: the input is all of the possible x values of a function. It is also called the domain.

Multiple Choice

Which of the following is not listed as an input of this table?

• 2

• 6

• 10

• 14

Output

• Definition: information or data that is a result of an input going through a process or system such as a function

• Characteristic/Fact: the output is all of the y values that are a result of a given function. It is also called the range

Multiple Select

What two values would complete the output side of this table? (what are the values of A & B?)

• 1

• 3

• 5

• 7

Linearity

• Definition: the property of a function that can be graphically represented as a straight line.

• Characteristic/Fact: The word linear comes from Latin linearis, "pertaining to or resembling a line"

Multiple Select

Choose all of the graphs that are linear

Let's Quizizz!

Multiple Choice

Which of these represents a function?

Multiple Choice

Which set of ordered pairs does not represent a function?

Multiple Select

What are the two names for a list of possible x values of a function?

• input

• output

• domain

• range

Multiple Choice

Which of these does not represent a function?