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Math Drills
Differentiation
Local extrema
Practice 1
Differentiation
Local extrema
1 / 5
Standard
Find the local maximum value.
y
=
x
3
−
3
x
2
−
9
x
+
5
y = x^{3} - 3x^{2} - 9x + 5
y
=
x
3
−
3
x
2
−
9
x
+
5
1
−
22
-22
−
22
2
−
6
-6
−
6
3
10
10
10
4
16
16
16
Answer
