math URGENT
posted by lyne .
okay i need to find the domain and range of this
z(x) = ãx^2  100
(everything is in the square root)
so i think i found the domain i got [10,10]
but i don't know about the range
i solved for x and got stuck here
x=ãy^2 + 100
helppp pleaseee
:)

math URGENT 
lyne
those wierd things were supposed to be square roots btw
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