Functions Preview

True or False: A function can have inputs that have MULTIPLE outputs (ie: input of 1 with outputs of 4 and 12)

• True

• False

True or False: A relationship is a function if every individual input ONLY has one output

• True

• False

Is the graph pictured a function?

• Yes

• No

Is this graph a function or not a function?

• Function

• Not a Function

Which of the following is the correct definition of a function?

• A relation where each input has exactly one output

• A relation where each input has multiple outputs

• A relation where each output has multiple inputs

• A relation where inputs and outputs are the same

Which of the following does not represent a function?

Which of the following represents a function?

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

• Yes
• No

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.