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30 votes
K = 2; f(x) = 2x3 + 3x2 - 4x + 4; Lower bound? (1 point)

User Wollmich
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1 Answer

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22 votes
f(x) = 2 x 3 +3 x 2 - 4x + 4
0 = 6 + 6 - 4x + 4
0 = 16 - 4x
4x = 16
x = 4
(sorry if that’s not what you’re looking for)
User JMiguel
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