08-03-2020
Mathematics

contestada

y=7-4x-4x²
find maximum

Respuesta :

amandatrevino05 amandatrevino05

08-03-2020

Answer:

the answer is (1/2,8)

rewrite y=7-4x-4x^2 as y=-4x^2-4x+7

a=-4, b=-4, c=7

x=-(-4)/2(-4)

x= -1/2

plug -1/2 in for x

-4( -1/2)^2-4( -1/2)+7

y=8

Step-by-step explanation:

Hope this helped

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