Respostas

2013-05-08T15:50:33-03:00

 X=1/3 , subistitua na equação .

F(1/3)= -2*1/3+3   

F(1/3)= -2/3+3                 Faca o MMC nessa parte    

F(1/3)= 7/3


F(x)= Y = 7/3


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2013-05-08T15:52:59-03:00

f(x): -2x + 3

f(1/3): -2x + 3

f(1/3): -2(1/3) + 3

f(1/3): -2/3 + 3

f(1/3): (-2 + 9)/3

f(1/3): 7/3

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