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Mathematics
Problem
For the polynomial function
f
(
x
)
=
a
4
x
4
+
a
3
x
3
+
a
2
x
2
+
a
1
x
+
a
0
f(x)=a_4x^4+a_3x^3+a_2x^2+a_1x+a_0
f
(
x
)
=
a
4
x
4
+
a
3
x
3
+
a
2
x
2
+
a
1
x
+
a
0
, the y–intercept of its graph is a)
(
0
,
a
4
)
(0,a_4)
(
0
,
a
4
)
b)
(
0
,
a
0
)
(0,a_0)
(
0
,
a
0
)
c)
(
a
0
,
0
)
(a_0,0)
(
a
0
,
0
)
d)
(
0
,
a
0
+
a
1
+
a
2
+
a
3
+
a
4
)
(0, a_0 + a_1 + a_2 + a_3 + a_4)
(
0
,
a
0
+
a
1
+
a
2
+
a
3
+
a
4
)
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