A discontinuous function `y = f(x)` satisfying `x^2 + y^2= 4` is given

1.	A discontinuous function `y = f(x)` satisfying `x^2 + y^2= 4` is given by `f(x) = ....`
Answer» Correct Answer - `f(x)=sqrt(4-x^(2))` Given, ` x^(2) + y^(2) = 4 rArr y = sqrt(4-x^(2)) ` or `" " f(x) - sqrt( 4- x^(2)) `

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