rg003770
rg003770
02-06-2017
Mathematics
contestada
i need help 2t<-4 or 7t>49
Respuesta :
irspow
irspow
02-06-2017
2t<-4 divide both sides by 2
t<-2
...
7t>49 divide both sides by 7
t>7
So t=(-oo,-2) and t=(7,+oo)
t=(-oo,-2)U(7,+oo)
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