We need to find the y-intercept for the function:
[tex]f(x)=-x^2+9[/tex]We have to make x = 0, and then the result will be the y-intercept for the function. Then:
[tex]f(x)=y=-(0)^2+9\Rightarrow y=9[/tex]Then, the y-intercept for the function is y = 9.
