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Mathematics
Mathematics
Problem
1. Find the equation of the line tangent to
y
=
5
x
3
−
20
x
+
10
y=5 x^{3}-20 x+10
y
=
5
x
3
−
20
x
+
10
at
x
=
2
x=2
x
=
2
. (A)
y
−
10
=
10
(
x
−
2
)
y-10=10(x-2)
y
−
10
=
10
(
x
−
2
)
(B)
y
+
10
=
40
(
x
+
2
)
y+10=40(x+2)
y
+
10
=
40
(
x
+
2
)
(C)
y
−
10
=
40
(
x
−
2
)
y-10=40(x-2)
y
−
10
=
40
(
x
−
2
)
(D)
y
−
10
=
90
(
x
+
2
)
y-10=90(x+2)
y
−
10
=
90
(
x
+
2
)
(A)
y
−
10
=
10
(
x
−
2
)
y-10=10(x-2)
y
−
10
=
10
(
x
−
2
)
(B)
y
+
10
=
40
(
x
+
2
)
y+10=40(x+2)
y
+
10
=
40
(
x
+
2
)
(C)
y
−
10
=
40
(
x
−
2
)
y-10=40(x-2)
y
−
10
=
40
(
x
−
2
)
(D)
y
−
10
=
90
(
x
+
2
)
y-10=90(x+2)
y
−
10
=
90
(
x
+
2
)
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