Relax

Respuesta :

swilliams3151

Answer:

axis of symmetry is the x value of the vertex

for

y=ax^2+bx+c

x value of vertex=-b/2a

first one

-1/2(2)=-1/4

wow, that is right

answer is first one

f(x)=2x^2+x-1

Explanation:

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