how to plot an inverse function?

Hello , I have an inverse function

x = -y^2+10

but i don't know how to declare and plot it.

I tried to do

y = -x^2 +10

g = finverse(y)

ezplot ( x,g ,[-2,12])

and "imaginary parts of complex x and/or y arguments ignored error in matlab" error appears.

what function should i use for this problem ?

Thank you !!!

Answer 1

[Alan Stevens]

How about

y = -10:10;
x = 10-y.^2;
plot(x,y),grid
xlabel('x'),ylabel('y')