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Mathematics
Mathematics
Problem
The graph of a differentiable function
f
f
f
passes through the points
(
3.8
,
2.1
)
(3.8,2.1)
(
3.8
,
2.1
)
and
(
4.2
,
3.7
)
(4.2,3.7)
(
4.2
,
3.7
)
. Assuming the tangent line at
x
=
4
x=4
x
=
4
is well approximated by the secant line through these points, which is the best estimate of
f
′
(
4
)
f'(4)
f
′
(
4
)
? a)
5.33
5.33
5.33
b)
4
4
4
c)
2
2
2
d)
−
4
-4
−
4
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