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a) f(x)= 2x=2x-1

b) f(x)= 1/3x+2​


Resposta :

a)f(×=2×=2×_1=3 b)f(×=1×3×+2=5

Resposta:

a) 2x-2x=-1

0=-1

b,1/3+2=1/3x=2

x=-?

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