Intersect
Feature of TIcalculator 2ND TRACE – 5:intersect… finds the intersection of two graphs 

Press CLEAR to clear the home screen. Enter functions as Y1= and Y2= . 

Press 2ND,
TRACE, highlight 5:intersect. 

Press ENTER to see graph and make choice of First curve. Press up or down arrow to see cursor on one graph. 

Press
ENTER and use the left or right arrow, if necessary, to get on the Second
curve. 

Press ENTER to get to Guess? 

Press ENTER to see the X= and Y= values for the point on
intersection. For the original problem, the solution is X = 4. 
