Answer:
f(9) = 90
Step-by-step explanation:
f(x) = 9+ x^2
Let x = 9
f(9) = 9+ 9^2
= 9 + 81
= 90
f(9) =90
[tex]f(x) =9+x^2\\\\f(9)=?[/tex]
Substitute ; x = 9 into the given function
[tex]f(9) = 9+(9)^2\\\\f(9) = 9+81\\\\f(9) = 90[/tex]
