III. Working With Graphs

E. F5 - Math

A:Tangent draws the tangent line at a designated point, and states the equation of the tangent line.

Press to
access the Y=Editor.
Press to
set the window.

Press to
draw the graph.

Press and
select A:Tangent.

Press and the
calculator will request
a value for x.
Enter -1 as the
value for x and
press . The
tangent is drawn and
an equation given.