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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