Functions Quiz

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this table a function or not a function? 

• Function
• Not a Function

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; there is a line connecting the dots.

For the function f(x) = -3x + 3 find F(0).

• 0

• -3

• 3

• Not possible

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

Solve for h(5):

h(x) = -x + 4

• 9

• 1

• -1

• -9

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Is this a function?

• Yes

• No

• I'm Confused

• May I phone a friend?

Given f(x) = 3(6 - x), find x if f(x) = 12

• -2

• 6

• -6

• 2

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1