Functions Unit

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here

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

Is this table a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function 

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Dev keeps a record in graph form of how far his car travels and the number of gallons of gasoline it uses.

What is the slope of the graph?

• 64

• 128

• 32

• 16

What is the Unit Rate/ Slope?

• 6

• 1

• 3

• 6.2

Which graph represents the equation:

y = 2x + 2

• 
• 
• 
• 

Find the equation of the line in slope-intercept form.

• y = - 1/4x - 3

• y = 1/3x + 3

• y = - 1/4x + 2

• y = 1/3x -3

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear