Question 408760
{{{f(x)=-x^2 + 5}}} Start with the given equation.



{{{f(4)=-(4)^2 + 5}}} Plug in {{{x=4}}}.



{{{f(4)=-1(16)+5}}} Square {{{4}}} to get {{{16}}}.



{{{f(4)=-16+5}}} Multiply {{{-1}}} and {{{16}}} to get {{{-16}}}.



{{{f(4)=-11}}} Combine like terms.



So the solution is {{{f(4)=-11}}} 



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