Texas Instruments TI-83 - 14.4 The Tangent Problem; The Derivative; EXAMPLE 3 Finding the Derivative of a Function

Press TRACE and use the right arrow to move the cursor to the first “box”. Hit the right
arrow again and you’ll be on the second “box”. You should obtain a result similar
(although not the same unless you used the same seed) as shown below:
We had 52 “1s” and 48 “2s”.
w
14.4 The Tangent Problem; The Derivative
EXAMPLE 3 Finding the Derivative of a Function
Use a graphing utility to find the derivative of xxxf 52)(
2
−= at
2. That is, find
).2(f ′
SOLUTION From the HOME screen, press the MATH button. Scroll down the
MATH menu until you reach 8:Nderiv( and press ENTER.
Now type everything you see shown below and press ENTER to
obtain the result.