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02-06-2017
Mathematics

contestada

i need help 2t<-4 or 7t>49

Respuesta :

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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