Question

Determinati imaginea functiei f : {0,1,2,3} → R, f(x)=$\frac{x^{2} }{x+1}$

Answer 1

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Answer 2

f(x)=x² /x+1 unde x∈{0;1;2;3} => f(0)=0 ,f(1)=1/2 ,f(2)=4/3 si f(3)=9/4 .

Asadar Imf={0;1/2;4/3;9/4} .