Diketahui f(x)= 2x-1 dan g(x)= x^2+x nilai x yang memenuhi (fog)(x)=11

f(x) = 2x -1 ,g(x) = x² +x

f(x) O g(x) = 2(x²+x)-1

= 2x² + 2x -1

fOg(11) = 2 (11²) + 2 (11) -1

= 242 + 22 – 1

= 263 ///