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Mathematics
Problem
Let
f
(
x
)
=
4
sin
x
−
2
cos
x
+
x
3
f(x)=4\sin x-2\cos x+x^{3}
f
(
x
)
=
4
sin
x
−
2
cos
x
+
x
3
. What is
f
′
(
0
)
f'(0)
f
′
(
0
)
? a)
2
2
2
b)
−
2
-2
−
2
c)
4
4
4
d)
1
1
1
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