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Mathematics
Mathematics
Problem
For
0
≤
x
≤
3
0\le x\le 3
0
≤
x
≤
3
, let
(
x
,
f
(
x
)
)
(x,f(x))
(
x
,
f
(
x
))
be a point on the graph of
y
=
f
(
x
)
y=f(x)
y
=
f
(
x
)
. What expression gives the distance from this point to the horizontal line
y
=
4
y=4
y
=
4
? a)
4
−
f
(
x
)
4-f(x)
4
−
f
(
x
)
b)
4
+
f
(
x
)
4+f(x)
4
+
f
(
x
)
c)
∣
4
−
f
(
x
)
∣
\lvert 4-f(x)\rvert
∣
4
−
f
(
x
)∣
d)
x
2
+
(
4
−
f
(
x
)
)
2
\sqrt{x^{2}+(4-f(x))^{2}}
x
2
+
(
4
−
f
(
x
)
)
2
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