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Mathematics
Problem
What is the derivative of the function
f
(
x
)
=
5
x
3
−
2
x
+
4
f(x)=5x^{3}-2x+4
f
(
x
)
=
5
x
3
−
2
x
+
4
? a)
5
x
2
−
2
5x^{2}-2
5
x
2
−
2
b)
15
x
2
−
2
15x^{2}-2
15
x
2
−
2
c)
15
x
2
+
4
15x^{2}+4
15
x
2
+
4
d)
15
x
2
−
2
x
15x^{2}-2x
15
x
2
−
2
x
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