Consider the following function. f
(
x
)
=
x
l
n
8
x
,
a
=
1
,
n
=
3
,
0.7

x

1.3
(a) Approximate f by a Taylor polynomial with degree n at the number a.
(b) Use Taylor's Inequality to estimate the accuracy of the approximation
f
(
x
)

T
n
(
x
)
when x
lies in the given interval. (Round your answer to four decimal places.)
|
R
3
(
x
)
|
?