# Chapter 3, Polynomial and Rational Functions - Section 3.1 - Quadratic Functions and Models - 3.1 Exercises - Page 288: 35

Minimum (-3)

#### Work Step by Step

Putting this in vertex form, $$2x^2+4x-1=2(x^2+2x+1)-3=2(x+1)^2-3$$ Since a square is nonnegative, the minimum value is $\boxed{-3}$

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