SOLUTION: Find an expression for the function f(x) whose graph is given by the bottom half of the parabola. x+(y-9)^2=0

Algebra ->  Functions -> SOLUTION: Find an expression for the function f(x) whose graph is given by the bottom half of the parabola. x+(y-9)^2=0      Log On


   

Question 992211: Find an expression for the function f(x) whose graph is given by the bottom half of the parabola. x+(y-9)^2=0
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
The bottom half is the MINUS square root form. Solving for y should be no trouble.

%28y-9%29%5E2=-x
y-9=0%2B-+sqrt%28-x%29
y=9%2B-+sqrt%28-x%29
You want the bottom part which is ....
y=9-sqrt%28-x%29