Jika f(x)=x^2-5, maka f (x+2) adalh...

[tex] f(x)=x^2-5 \\ f (x+2) = {(x + 2)}^{2} - 5 \\ = {x}^{2} + 4x + 4 - 5 \\ = {x}^{2} + 4x - 1[/tex]