Functions test

Which of the following is a function?

• 
• 
• 
• 

Is this is a function or not a function?

• Function
• Not a Function

• 5

• 13

• -5

• -2

• -10

• 10

• -12

• 18

• 3

• 4

• 7

• 1

• -1

• 3

• 4

• 7

• 1

• -1

What is the domain?

• {-2, -1, 0, 1, 8}
• {3, 5, 7 , 9, 0}
• {-2, -1, 0, 1, 3, 5, 7, 8, 9}
• {-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

What is the range of the mapping?

• {1, 2, 4}

• {0, 1, 2, 3}

• {0, 3}

• {1, 4}

• Function
• Not a Function