Respostas

2013-04-16T23:04:52-03:00

a) { x €R / 6<= x <=10}

 

b) {x € R / -1 < x <= 5}

 

c) {x € R / -6 < x <0}

 

d) {x € R / x >=0}

 

e) {x € R / x< 1}

 

f) {x € R / -5 <= x < 2}

 

OBS

<= (MENOR OU IGUAL)

=>(MAIOR OU IGUAL)

 

(:

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