FUNCTIONS QUIZ

Is it a function or not a function? 

• Function
• Not a Function

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)

Is the graph a function?

• Function
• Not a Function

f(x)=2x+1
Find the value of x such that f(x)=4, and find f(2).

• 3/2; 5
• 2; 1
• 3/2; 1
• 1/2; 5

Evaluate the function for f(-2).

• -21
• 9
• -3/4
• -31

The graph of a function is shown. Which three ordered pairs represent an input value of the function with its corresponding output value

• (0, -1)

• (-1, 0)

• (0, 0)

• (-4, 0)

• (0, -2)

Evaluate f(-3)

• f(-3) = -3

• f(-3) = 0

• f(-3) = 2

• not enough information to give an answer

What is the value of f(0)?

• -2
• 2
• 4
• 0

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Evaluate f(6).

• f(6) = 18

• f(6) = 12

• f(6) = 10

• f(6) = 1