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Mathematics
Problem
Let
f
(
x
)
f(x)
f
(
x
)
be a differentiable function with
f
(
−
1
)
=
5
f(-1)= 5
f
(
−
1
)
=
5
and
f
′
(
−
1
)
=
2
f'(-1)= 2
f
′
(
−
1
)
=
2
. Use the given information to find the local linear approximation of
f
(
−
0.9
)
f(-0.9)
f
(
−
0.9
)
.
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