Question 630765

Your domain is correct

range is (0,8)

when x = 8 or -8, you get f(x) = sqrt(64 - 64) = sqrt(0) = 0

https://www.google.com/search?sugexp=chrome,mod=6&sourceid=chrome&ie=UTF-8&q=f(x)%3D+sqrt(64-x%5E2)