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Mathematics
Mathematics
Problem
On a unit grid, the short line segment at the point
(
3
,
−
1
)
(3,-1)
(
3
,
−
1
)
in a slope field rises about
2.5
2.5
2.5
grid squares for every
1
1
1
grid square it runs to the right. Which of the following is the best estimate of
d
y
d
x
\dfrac{dy}{dx}
d
x
d
y
at
(
3
,
−
1
)
(3,-1)
(
3
,
−
1
)
? a)
4.0
4.0
4.0
b)
2.5
2.5
2.5
c)
0.4
0.4
0.4
d)
−
2.5
-2.5
−
2.5
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