Using the ZOOM key to graph
in certain windows easily.

  • Press ZOOM (top row), then 6

    • The function is graphed in the standard window:

      -10 < x < 10
      -10 < y < 10

  • TRY IT OUT!
    Enter y = 3x 2^(-x) in the function window, and use ZOOM - 6 to graph it in the standard window.
    Check the Answer!
  • Press ZOOM (top row), then 4

    • The function is graphed in the nice decimal window:

      -4.7 < x < 4.7
      -3.1 < y < 3.1

  • TRY IT OUT!
    Use ZOOM - 4 to graph the same function in the nice decimal window.
    Check the Answer!