. For the three-part question that follows, provide your answer to each question in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C.

Use the graph below for Part A, Part B, and Part C.

Graph of step function.

Part A: What is the value of the function when ?

Part B: What is the value of the function when ?

Part C: Write the equation for the step function above, including the domain.