Functions and Tables

Is the relation a function? Explain.

• Yes, the x-value 11 has two y-values paired with it.

• Yes, each x-value has only one y-value paired with it.

• No, the x-value 11 has two y-values paired with it.

• No, each x-value has only one y-value paired with it.

Does the table represent a function?

• Yes

• No

Does the mapping represent a function?

• Yes

• No

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

Is this table a function?  Explain.

• Yes, because none of the inputs repeat.

• Yes, because the inputs repeat but have the same output

• No because the inputs repeat

• No because the inputs repeat and have different outputs

A table organizing the input, rule and output of a function is called a ______ ______?

• function table

• ordered pair

• linear function

• qualitative graph

Is this table a function?  Why?

• Yes, because none of the inputs repeat.

• Yes, because the inputs repeat but have the same output.

• No, because the inputs repeat and have different outputs.

Which equation represents this function table?

• y = 7x

• y = x + 6

• y = x / 7

• y = 2 x 7

Match the graph to the correct table.

• 
• 
• 

What is the initial value?

• -3

• 0

• 3

• 20