Faça o estudo do sinal da função y = -4x+16 e indique para que valores de x a função é positiva, negativa ou nula: a)positiva x>5, negativa x<5 e nula x=5 b)positiva x>-4, negativa x<-4 e nula x=-4 c)positiva x<4, negativa x>4 e nula x=4 d)positiva x<-5, negativa x>-5 e nula x=-5

well what you have to do is divide 84 by 6 so theanswer

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84 divided by 6 = 14

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