Texas Instruments TI-84 Plus - Page 500

Chapter 17: Activities 497
5. Press y 5 to go to the home screen. Press y< 7 and use Shade( to see
the area graphically.
Shade(Y2,Y1,Ans,75)
6. Press y 5 to return to the home screen. Enter the expression to evaluate the
integral for the shaded region.
fnInt(Y1NY2,X,Ans,75)
The area is 325.839962.