Question

Determine whether the equation represents y as a function of x. y=radical x+5

Answer 1

i think it is.

Answer 2

hmm \[x^2*y^2 = x + 5 \]

Answer 3

http://www.wolframalpha.com/input/?i=x^2*y^2+%3D+x+-5
No it's not

Answer 4

I haven't seen a Graph like this

Answer 5

thank you