Functions Quiz Review

Determine if the mapping is a function.

• Function

• Not a function

Determine if the table is a function.

• Function

• Not a function

Determine if the graph is a function.

• Function

• Not a function

Which of the following sets of ordered pairs is a function?

• {(2, 1), (2, 2), (3, 4), (5, 6)}

• {(-2, -1), (1, 2), (3, 4), (1, 5)}

• {(1, 2), (2, 2), (3, 3), (2, 4)}

• {(1, 1), (2, 1), (3, 2), (4, 4)}

Which graph is linear?

• Graph A
• Graph B
• Graph C
• Graph D

What is the definition of a function?

• A relation with inputs and outputs

• A relation where every input has only one output

• A relation where all inputs and outputs are different

• A relation where every y value is paired with only one x value

Is the relation shown a function?

• Function

• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function

Which ordered pair could you add to the following relation for it to remain a function? {(3, 5) (4, 9) (2, 5)}

• (3, 7)

• (4, 1)

• (1, 9)

• (2, 6)

Evaluate f(x) = -2x+13 for f(10)

• -7

• 1

• -8

• 7