Texas Instruments TI-83 Manual Book page 582

4. Press y /
a first curve, second curve, and guess for the intersection toward the
left side of the display. The solution is displayed, and the value of
the intersection, which is the lower limit of the integral, is stored in
and .
Ans X
5. Press y 5 to go to the home screen. Press y <
to see the area graphically.
Shade(
Shade(Y ,Y
2 1
6. Press y 5 to return to the home screen. Enter the expression to
evaluate the integral for the shaded region.
fnInt(Y –Y ,X,Ans,75)
1 2
The area is
TI-83 Plus Activities
to select
5
,Ans,75)
.
325.839962
. The graph is displayed. Select
5:Intersect
at
X
and use
7
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