Hi guys

I didn't know where to put this, but I'm having trouble understanding what type of functions is this when i graph it:

http://img526.imageshack.us/img526/3081/function.png

P.S

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- November 26th 2009, 09:04 PMPaymemoneySketching a graph
Hi guys

I didn't know where to put this, but I'm having trouble understanding what type of functions is this when i graph it:

http://img526.imageshack.us/img526/3081/function.png

P.S - November 27th 2009, 03:12 AMHallsofIvy
Your graph is simply wrong. If then or . That last is a circle with center at (0,0) and radius 5. The original, the positive square root, is the upper semi-circle.

The graph you give appears to be from . That would give so , a hyperbola. If that is correct, then your graph is the upper half of that hyperbola.