Diketahui fungsi f(x)=x2-5x+1 g(x)=x+5
Matematika
Novhyta1
Pertanyaan
Diketahui fungsi f(x)=x2-5x+1 g(x)=x+5
1 Jawaban
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1. Jawaban wildanchanieful
(fog) = f(g(x))
= (x+5)^2 - 5(x+5) + 1
= (x^2 + 10x - 25) - (5x +25 + 1
= x^2 + 10x - 25 - 5x -25 + 1
= x^2 + 5x - 49