Alg Unit 4 Quiz Review- Functions

Which of the following is a function?

• 
• 
• 
• 

Is the following a function?

• Yes, this is a function.

• No, it's not a function.

• Can't be determined with this information.

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.

Which of the following is NOT a function?

• 
• 
• 
• 

Which of the following is a function?

• 
• 
• 
• 

f(x) = −2x − 12

f(−5) = ?

• −22

• −2

• −19

• −5

f(x) = −2x + 13

f(10) = ?

• −7

• 1

• −8

• 7

g(x) = 5 − 6x

g(−5) = ?

Is this relation a function?

• Function

• Not a function

Is this relation a function?

• Function

• Not a function