review function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

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
• -1

Tags

CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.2

Solve for f(5):
f(5) = -x + 4

• 9 
• 1
• -1
• -9

Tags

CCSS.HSF.IF.A.2

Which graph does NOT pass the vertical line test?

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

Given f(x) = 3(6 -x), what is the value of f(-8)

• -42

• 6

• -6

• 42

Tags

CCSS.HSF.IF.A.2

Which set of values is not a function?

• (9,5) (10,5) (4,-5) (8,-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)

Tags

CCSS.8.F.A.1