Function Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

What is the relation of a vertical line?

• Function
• Not a Function

How is f(x) read?

• the function f
• function notation
• f of x
• replaces y

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Is this graph a function or not a function? 

• Function 
• Not a Function

Which ordered pair could represent a y-intercept on a graph?

• (6, 0)
• (0, 4)
• (-1, 3)
• (2, 0)

Given f(x) = -2x + 10, find f(2). 

• f(2) = 6
• f(2) = 14

Tags

CCSS.HSF.IF.A.2

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Tags

CCSS.HSF.IF.A.2

Given h(x) = x²- 8x, find h(-4). 

• h(-4) = 48
• h(-4) = 16

Tags

CCSS.HSF.IF.A.2

• Function
• Not a Function

Tags

CCSS.8.F.A.1