﻿ What is the y-value of the vertex of the function f(x)=-(x-3)(x+11)? a.-8b.-4 c.33 d.49​ , 08.11.2019 06:31, AgarioEdit

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What is the y-value of the vertex of the function f(x)=-(x-3)(x+11)?
a.-8
b.-4 c.33 d.49​...

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