Question 748387
<pre>
If you have a TI-83 or 84,

Press ON
Press CLEAR
Press Y=

With cursor just after \Y<sub>1</sub>= 

Press the key that has X,T,&#952;,n printed on it
Press 2ND
Press LN
Press 3
Press X,T,&#952;,n
Press )
Press -
Press 1
Press ENTER

You should see  \Y<sub>1</sub>=Xe<sup>3X</sup>-1 if you have a newer calculator
                and you'll need to press the right arrow after the 
                exponent

            or  \Y<sub>1</sub>=Xe^(3X)-1 if you have the older model   

With cursor just after \Y<sub>2</sub>=

Press 3

You should see  \Y<sub>1</sub>=Xe<sup>3X</sup>-1
                \Y<sub>2</sub>=3

Press ZOOM
Press 6  

You should see a graph like this: {{{graph(100*4.5,4.5*65.95744821,-15.16129,15.16129,-10,10,
x*exp(3x)-1,3)}}}

Press 2ND
Press TRACE     See CALCULATE screen
Press 5

Press ENTER
Press ENTER
Press ENTER

Tou should read at the bottom of the screen
under the graph

Intersection
X=.62093895  Y=3

Solution:  x=.62093895 

Edwin</pre>