Minima

Algebra Level 2

What will be the minimum value of f(x)=2x^2 +4x-5


The answer is -7.

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2 solutions

Jaiveer Shekhawat
Nov 30, 2014

00 00

Denton Young
May 30, 2017

f ( x ) = 4 x + 4 f'(x) = 4x + 4 , which is 0 at x = -1

f ( 1 ) = 7 f(-1) = -7

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