Casio CFX-9800G - Page 112

Determining
y-intercepts
To
determine
the
y-intercept
for
y
=
x
+
1:
RT
MaAgIMIn
TRF
lisc
Fa
BDetermining Maximums and Minimums
Example]
To
determine
the
maximum
and
minimum
for
y=x
(x
+
2).
(@-
2):
Ga] F Ir TT Maxon Gea =.
(This puts the unit into standby waiting for selec-
(F)(MAX) tion of a graph.)
(This
puts
the
unit
into
standby
waiting
for
selec-
:
tion of a graph.)
(F4)(Y-ICP)
Determine the y-intercept.
. &
Specify the graph and determine the maximum.
COB
*y-intercepts
are
the
points
that
the
graph
intersects
the
y-axis.
sf
there
is
only
one
graph,
pressing
F4(Y-
-ICP)
directly
displays
the
y-intercepts
(selec-
tion
of
the
graph
is
not
required).
SHIFT) (-s04y
Specity:the
graph
and
determine
the
minimum.
a
WDetermining
Points
of
Intersection
for
Two
Graphs
I
(MIN)@
eel
Example|
After
drawing
the
following
three
graphs,
determine
the
points
of
inter-
z
section
for
the
Graph
A
and
Graph
C.
Use
the
same
range
Parameters
as
those
defined
for
the
examples
:
above:
Graph A: y = x + 1
Graph B: y = x {x + 2) (x ~ 2)
Graph C: y = x?”
(#1.
isuno0s
¥=-3,0719801
Ae
os
; ie RET TMAR Pin ener fect
«lf
there
is
more
than
one
maximum/minimum,
you
can
use
@
and
ee
to
move
between
|
<=
them.
*lf there is only one graph, pressing [F2 (MAX)
mum (selection of the graph is not required).
(MIN) directly displays the maximum/mini-