y
=
x
2
x
-
x
h
Q
P
P
=
(
1
.
712
,
0
.
180504
)
h
=
1
.
712
secant
slope
=
-
0
.
478677
h
-
4
-
2
2
4
-
2
2
4
6
8
10
tangent
to
y
-
x
at
Q
=
(
0
,
1
)
