3= slope: .072, Tanline: 'y=-l.i01, 1= extrni – HP 48G User Manual
Page 82: C. 159483706477,-3
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S te p 4 '-
Move the cursor
to
x
=
0 . 3 ,
and
draw the line tangent to the
function at that point.
IQ (i time.s)
(l\]XT) (to redisplay the menu)
(MXT)
Example:
Determine the point where the current function has a
local maximum in the region near the (/-axis.
S t e p 1 :
Magnify the display to show the target region more clearly.
Move the cursor to one corner of the target region and use
Box Zoom.
(3 times) (6 times)
[NXT)
(to redisplay the menu)
(5 times) (12 times)
S t e p 2 :
Execute the zoom, move the cursor near the local maximum
point, and find an extremum.
or as needed
S t e p 3 :
Return to the stack. Notice that each of the analytic
functions put a labeled result onto the stack.
(CANCEL 1 (several times)
3=
Slope: .072
£: TanLine: 'Y=-l.i01„.
1= Extrni:
C. 159483706477,-3....
6-16 Plotting Equations and Analyzing Graphs