Functions Practice

Determine whether the diagram depicts a function or not.

• Yes

• No

Determine whether each diagram depicts a function or not.

• Yes

• No

Is the table a function?

• Yes

• No

Is the table a function?

• Yes

• No

Each coordinate is a function, true or false?

• True

• False

Each coordinate is a function, true or false?

• True

• False

Which graph represents a function?

• 
• 
• 
• 

Which diagram is not the graph of a function?

• 
• 
• 
• 

Given f(x) = x² - 7x, find f(8).  

• f(8) = 8 
• f(8) = -3584

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5