jika f(x)=x+1,maka f(x kuadat)-2f(x)=
Matematika
syarifa32
Pertanyaan
jika f(x)=x+1,maka f(x kuadat)-2f(x)=
1 Jawaban
-
1. Jawaban ReynardMY7896
f(x) = x+1
f(x^2) = x^2 + 1 (subtitusikan x=x^2)
2f(x) = 2.(x+1) = 2x+2
maka, f(x^2)-2f(x) = x^2+1-(2x+2)
=x^2+1-2x-2
= x^2-2x-1