Intro to Functions

f(x) is the same thing as ______.

• y
• x
• input
• an equation

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Is this graph a function or not a function? 

• Function
• Not a Function

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; it does not pass the vertical line test

Is this graph a function or not a function? 

• Function
• Not a Function 

Is y a function of x?

• function

• not a function

Which graph represents a function?

• 
• 
• 
• 

What is the RANGE of this graph?

• -7 < x < 5

• -7 ≤ y < 5

• -3 < x < 1

• -3 ≤ y < 1