Find the linear approximation of
f
(
x
)
=
x
\displaystyle {f{{\left({x}\right)}}}=\sqrt{{{x}}}
f
(
x
)
=
x
at
c
=
9
\displaystyle {c}={9}
c
=
9
. Round the coefficients to four decimal places.
L
(
x
)
=
\displaystyle {L}{\left({x}\right)}=
L
(
x
)
=
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