y- intercept=9
Explanation
[tex]f(x)=-(x^2)+9[/tex]
Step 1
the y-intercept is when the value for x = 0
then, make f(0) to obtain the y-intercept
[tex]\begin{gathered} f(x)=-(x^2)+9 \\ f(0)=-(0^2)+9 \\ f(0)=-0+9 \\ f(0)=9 \\ \end{gathered}[/tex]I hope this helps you
