yknat94 yknat94

20-09-2022
Mathematics

contestada

f(9)=-4(9)^2-4(9)+18=

Respuesta :

augustinethawnpi augustinethawnpi

20-09-2022

The answer is -342

Step - by - step

f(9)=-4(9)^2-4(9)+18

= -4*81-36+18

= -324-36+18

= -360+18

= -342

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