The syntax for the numerical derivative of f at x = c is :
NDeriv(function, variable, c)
w
14.5 The Area Problem; the Integral
EXAMPLE 3 Using a Graphing Utility to Approximate an Integral
Use a graphing utility to approximate the area under the graph of
2
)( xxf = from 1 to 5. That is, evaluate the integral
∫
5
1
2
dxx
SOLUTION From the HOME screen, press the MATH button. Scroll down the
MATH menu until you reach 9:fnInt( and press ENTER.
You should have the following on your HOME screen:
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