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14.5 The Area Problem; the Integral
EXAMPLE 3
SOLUTION
The syntax for the numerical derivative of f at x = c is :
NDeriv(function, variable, c)
Using a Graphing Utility to Approximate an Integral
Use a graphing utility to approximate the area under the graph of
=
2
f
(
x
)
x
from 1 to 5. That is, evaluate the integral
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:
5
∫
2
x
dx
1
w
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