Finding the area between curves, Problem, Procedure – Texas Instruments TI-83 PLUS User Manual

Page 581

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TI-83 Plus

Activities

578

Finding the Area between Curves

Problem

Find the area of the region bounded by

f(x) = 300x / (x

2

+ 625)

g(x) = 3cos(

.

1x)

x

= 75

Procedure

1. Press

z

. Select the default mode settings.

2. Press

p

. Set the viewing window.

Xmin=0

Ymin=

L

5

Xmax=100

Ymax=10

Xscl=10

Yscl=1
Xres=1

3. Press

o

. Turn off all functions and stat plots. Enter the upper and

lower functions.

Y

1

=300X

à

(X

2

+625)

Y

2

=3cos(.1X)

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