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Function Graphing 4-7
You can the calculate the value of a Y= function at a specified value of X.
To display the
Y=
list, press
(
. Enter these functions for
Y1
,
Y2
, and
Y3
:
X
2
,
X+2
, and
Y1(Y2(X))
.
@
a
¸
@
«
2
¸
2
G
1
c
2
G
2
c
@
d
d
To evaluate the functions, first specify the value of X. Note
that X may be a list.
2
.
M
2
G
2
c
3
d
¸
2
G
1
c
2
G
2
c
3
d
d
¸
2
G
3
c
2
[
1
,
2
,
3
2
\
d
¸
You can also evaluate functions without using parentheses by
storing a value to X.
3
§
@
¸
2
G
1
¸
Evaluating Y= Functions in Expressions
Entering the
Functions in the
Y= List
Evaluating
Functions
Evaluating
Functions
without
Parentheses