Graphing Piecewise and Step Functions

Which one is the correct equation of the piecewise function?

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• 

What is the domain of the following function?

Use the graph to evaluate f(2)   {HINT: think back to graphing inequalities on the number line -- should you pick value for open circle or closed circle?}

• 1

• 2

• 3

• 4

• 0

• 2

• 4

• 6

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

What is the value of f(-3)?

• -4

• -2

• 2

• 6

• A

• B

• C

• D

Write the equation of the FIRST (leftmost) piece of the piecewise function for the following image. Click to enlarge.

Which piecewise function best represents the graph?

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• 
• 
• 

What is the domain interval for the green piece of this function?

• (-2, 1]

• (-1, .5]

• (-2, ∞)

• [1, ∞)