If you graph f(x)= x^2 + y^2 then it is a circle but then how would you graph the square root of f(x)?
Stacey Warren - Expert brainly.com
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how would you go about graphing it*
but f(x)= x^2 + y^2 isn't a circle
i'm pretty sure f(x)= x^2 + y^2 is a circle...
the square root of f(x) is half a circle
if it's positive sqrt of f(x), it'll be the top half of the circle
if it's negative, it will be the bottom half.
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what would be the radius?
good point, i didn't catch that
but i think the point of the question is to understand that the square roots is half a circle
so you need a value for f(x), otherwise, as uzma said, it's not a circle
it must be x^2 + y^2= costant, then centre is (0,0) and radius is sqrt(constant)
or we can have the general eq
x^2 +y^2 +2fx+2gy +c=0