CA Sem1 Final Review-Unit 1 Functions

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

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

Does the table represent a function?

• Yes, the x-value 2 repeats. 

• No, there aren't any repeated y-values. 
• Yes, the y-value 4 repeats. 

• No, the x-value 2 repeats. 

f(x) is the same thing as ______.

• y
• x
• input
• an equation

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Is the relation a function?

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function 

Which graph represents a function?

• 
• 
• 
•