Functions Review

Is the following a function?

• Yes, this is a function.

• No, it's not a function.

• Can't be determined with this information.

Which of the following is a function?

• 
• 
• 
• 

Is this is a function or not a function?

• Function
• Not a Function

Is this a function or not a function?

• Function
• Not a Function

Is the relation a function? Why.

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

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

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

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

• Function

• Not a Function

What is the value of f(0)?

• -2
• 2
• 4
• 0

For what value of x does f(x) = -2?

• 0
• -5
• 3
• -3

What is the value of x when f(x) = 16?

• x = 4 only

• x = 4 and x = 8

• x = 16

• Not on the graph

Evaluate f(t)=-2t²+ 1 for f(-3)

• 19
  
• 37
• -17
• -11