• 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!