Learning Resources

Investigation 9: Looking Inside the Box: Properties of the Function y = ex & Investigation 10: The Derivative of y = ex

Step D

The steps for verifying your result by technology are as follows:

• Graph the function.
• Press CALC.
• Select option 6: . This is the derivative feature.
• Use the cursor keys to select a point at which to evaluate the derivative. Then press ENTER to display the value.
• Compare the y-coordinate with the value for . What do you notice on every case?
• Sample screens are shown below. Compare the y-coordinate on the first screen to the value of displayed on the second screen.