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Home > CC3 > Chapter 8 > Lesson 8.2.4 > Problem 8-113


Since the beginning of school, Steven has been saving money to buy a new MP3 player. His bank balance is represented by the graph below. Homework Help ✎

  1. According to the graph, about how much money had Steven saved after weeks of school?

    Imagine that there were a point marking the 2nd week exactly (it would be close to points just before and just after week 2). What is the y-coordinate for this point?

    He's saved about

  2. About how much money did Steven probably have after weeks of school? How can you tell?

    Imagine a line that best represents the trend of the graph.

    What is the y-coordinate of the line when is ?


  3. If he keeps saving at the same rate, how much will he have saved by Week 7? Explain how you know.

    Follow the steps in part (b).