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posted by on .

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 - ,

    those wierd things were supposed to be square roots btw

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