22 36. Range of the function f(x) = 2X2 is (1) [0, 0) (3) (0, 2] [0, 0) (2) R (-0, -2) 4 [0, 0)

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( y=frac{2 x^{2}}{3-x^{2}} ) ( Rightarrow 3 y-x^{2} y=2 x^{2} ) ( Rightarrow quad x^{2}(2 f+y)-3 y=0 ) ( x^{2}=frac{3 y}{y+2} ) ( x=sqrt{frac{3 y}{y+2}} ) ( y eq-2 ) 34 for the to be the in sign scheme ( y geq 0 ) ( y+2>0 quad y+2 leq 0 ) ( therefore y in(-infty,-2) cup[0, infty) rightarrow A} )

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