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consider the function f:R rarr R,f(x)=(x^(2)-6x+4)/(x^(2)+2x+4) Range of fX() is |
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Answer» `((-oo,-(2)/(3))] cup[2,0)` `f(x)-8((x^(2)+2x+4)-x(2x+2))/((x^(2)+2x+4)^(2)]` `f(X)=0 rarrx2 or -2` `f(2)=(4-12+4)/(4+4+4)=-4/12=-1/3` `f(2)=(4+12+4)/(4-4+4)=5` The graph of y =f(X) is as SHOWN
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